Class 9 Chemistry Online Tests
Oxidation and Reduction MCQ (Multiple Choice Questions) PDF Download
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Oxidation and Reduction MCQs: Questions and Answers PDF Download
The process in which substance gains electrons is called
- oxidation
- hydrogenation
- sublimation
- reduction
Loss of hydrogen atoms by an element is called
- hydrogenation
- oxidation
- reduction
- sublimation
By losing one or two electrons the atoms of metal are
- oxidized
- reduced
- hydrogenated
- sublimated
In thermal power stations, carbon atoms undergo oxidation to form
- CO2
- CO
- H2O
- O2
Rusting of iron occurs due to
- reduction
- hydrogenation
- oxidation
- sublimation
Class 9 Chemistry Practice Tests
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