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Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন

Which a statement about exothermic and endothermic reactions is correct?

In an endothermic reactions, energy is used to break bonds but no energy is released when bonds form.

In an endothermic reactions, energy is released when bound from but more energy is used to break bonds. 

In an exothermic reactions, energy is released both by breaking and by forming bonds. 

In an exothermic reactions, energy is released when bonds form but no energy is needed to break bonds.

IUT2021ভর ও শক্তির নিত্যতা, বিক্রিয়া তাপ ও প্রশমন তাপরসায়ন প্রথম পত্ররাসায়নিক পরিবর্তন