O Level

Chemistry MCQs

O Level Chemistry MCQs - Subtopic

Exothermic Reactions MCQ with Answers

Exothermic Reactions Multiple Choice Questions (MCQ) to practice exothermic reactions quiz answers PDF, O level chemistry worksheets for online degrees. Solve energy from chemicals Multiple Choice Questions and Answers (MCQs), "Exothermic Reactions" quiz questions and answers for SAT test. Learn exothermic reactions, endothermic reactions, making and breaking bonds test prep for ACT subject tests.

"In exothermic reactions, the final energy content of products is" Multiple Choice Questions (MCQ) on exothermic reactions with choices lower than the energy contents of the reactants, higher than the energy contents of the reactants, not depend upon the energy content of the reactants, and none of above for SAT test. Solve exothermic reactions quiz questions for merit scholarship test and certificate programs for college entrance exams.

MCQs on Exothermic Reactions

1.

In exothermic reactions, the final energy content of products is

lower than the energy contents of the reactants
higher than the energy contents of the reactants
not depend upon the energy content of the reactants
none of above

2.

Which one of these is an incorrect statement about an exothermic reaction?

it form a compound which gives out heat while being formed
it contains products that are very stable
it results in overall enthalpy change zero
it gives overall negative enthalpy

3.

Exothermic reactions take place when energy given out in making bonds is

less than the energy taken in for breaking bonds
more than the energy taken in for breaking bonds
equal to the energy taken in for breaking bonds
none of above

4.

Exothermic reactions do not include

upon heating, hydrogen results in water
neutralization of acids and alkalis
respiration
breaking of chemical bond

5.

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

Heat
water vapors
oxides of same compounds
carbon dioxide