O Level Courses

Chapter 7: IGCSE O Level Chemistry Exam Tests

IGCSE O Level Chemistry MCQs - Chapter 7

Energy from Chemicals Multiple Choice Questions (MCQ) PDF - 1

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Energy from Chemicals MCQ Quiz PDF Download: Test 1

MCQ 1: Conversion of carbonate into oxides and carbon dioxide is called as

A) combustion
B) Thermal decomposition
C) Neutralization
D) Respiration

MCQ 2: Conversion of Copper Hydroxide (Cu(OH)2) into Copper Oxide (CuO) and water (H2O) is an example of

A) combustion
B) Thermal decomposition
C) Neutralization
D) Respiration

MCQ 3: In exothermic reactions, the final energy content of products is

A) lower than the energy contents of the reactants
B) higher than the energy contents of the reactants
C) not depend upon the energy content of the reactants
D) none of above

MCQ 4: Upon heating, sodium nitrate NaNO3(s) gets converted into

A) sodium oxide
B) nitric acid
C) sodium hydrogen oxide
D) none of above

MCQ 5: Liquefied Petroleum Gas (LPG) is obtained by cooling which of the following?

A) methane
B) natural gas
C) carbon dioxide
D) nitrous oxide

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