Exothermic Reactions MCQs Quiz Online PDF Download

Practice exothermic reactions MCQs, O level chemistry MCQ test for online learning. Energy from chemicals quiz has multiple choice questions (MCQ), exothermic reactions quiz questions and answers to practice as in exothermic reactions, final energy content of products, answer key help with choices as is lower than energy contents of reactants, is higher than energy contents of reactants, does not depend upon energy content of reactants and forms highly stable compounds problem solving for viva, competitive exam preparation, interview questions. Free study guide is for online learning exothermic reactions quiz with MCQs to practice test questions with answers.

MCQs on Exothermic Reactions Quiz 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. overall enthalpy change is zero
  4. the overall enthalpy is negative

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 the carbonate, hydroxide or nitrate, a common byproduct is

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

C