Exothermic Reactions MCQs Quiz Online PDF Download

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MCQs on Exothermic ReactionsQuiz PDF Download

MCQ: In exothermic reactions, final energy content of products

  1. is lower than the energy contents of the reactants
  2. is higher than the energy contents of the reactants
  3. does not depend upon the energy content of the reactants
  4. forms highly stable compounds

A

MCQ: Incorrect statement is: An exothermic reaction,

  1. forms a compound which gives out heat while being formed
  2. contains products that are very stable
  3. resulting in overall enthalpy change zero
  4. gives overall negative enthalpy.

B

MCQ: Exothermic reactions take place when

  1. energy given out in making bonds is less than the energy taken in for breaking bonds
  2. energy given out in making bonds is more than the energy taken in for breaking bonds
  3. energy given out in making bonds is equal to the energy taken in for breaking bonds
  4. the final energy content of products is lower

B

MCQ: Exothermic reactions does not include

  1. upon heating, hydrogen results in water
  2. neutralization of acids and alkalis
  3. respiration
  4. breaking of chemical bond

D

MCQ: Upon heating either of carbonate, hydroxide or nitrate, a common byproduct is

  1. Heat
  2. water vapors
  3. oxides of same compounds
  4. carbon dioxide

C