IGCSE O Level Chemistry Online Tests
Oxidation Reduction Reactions MCQ (Multiple Choice Questions) PDF Download
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The MCQ: In Copper Oxide (CuO) and Carbon Monoxide (CO) reaction; "Oxidation Reduction Reactions" App Download (Free) with answers: CO is being oxidized; CuO is being oxidized; CO is being reduced; CuO is being reduced; to learn online GCSE courses. Practice Oxidation Reduction Reactions Quiz Questions, download Apple eBook (Free Sample) for schools that offer certificate programs.
Oxidation Reduction Reactions MCQs: Questions and Answers PDF Download
In Copper Oxide (CuO) and Carbon Monoxide (CO) reaction, the reducing agent is
- CuO
- CO
- Cu
- CO2
In Copper Oxide (CuO) and Carbon Monoxide (CO) reaction
- CO is being oxidized
- CuO is being oxidized
- CO is being reduced
- CuO is being reduced
The process of reduction involves
- gain in hydrogen only
- loss of oxygen only
- loss of hydrogen
- gain in hydrogen and loss of oxygen
When dichromate (VI) ion becomes reduced to chromium (III) ion, a change of color occurs from
- purple to pink
- purple to colorless
- orange to purple
- orange to green
If Potassium Iodide (KI) acts as an oxidizing agent, change occurs from, indicates the presence of
- colorless to brown
- colorless to blue
- brown to colorless
- blue to colorless
IGCSE O Level Chemistry Practice Tests
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