IGCSE O Level Chemistry MCQs - Chapter 7
Energy from Chemicals Multiple Choice Questions (MCQs) PDF Download - 1
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Energy from Chemicals MCQs with Answers PDF Download: MCQ Quiz 1
Conversion of carbonate into oxides and carbon dioxide is called as
- combustion
- Thermal decomposition
- Neutralization
- Respiration
Conversion of Copper Hydroxide (Cu(OH)2) into Copper Oxide (CuO) and water (H2O) is an example of
- combustion
- Thermal decomposition
- Neutralization
- Respiration
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
Upon heating, sodium nitrate NaNO3(s) gets converted into
- sodium oxide
- nitric acid
- sodium hydrogen oxide
- none of above
Liquefied Petroleum Gas (LPG) is obtained by cooling which of the following?
- methane
- natural gas
- carbon dioxide
- nitrous oxide
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