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 MCQ (PDF) Questions Answers 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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