IGCSE O Level Chemistry MCQs – Practice Test for Exam Prep

Oxidation Reduction Reactions Multiple Choice Questions with Answers – PDF Download

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Learn "Oxidation Reduction Reactions MCQ" App Download with MCQ: In Copper Oxide (CuO) and Carbon Monoxide (CO) reaction, the reducing agent is; with answers: cuo, co, cu, and co₂. Practice Oxidation Reduction Reactions Quiz Questions, download Apple Book (Free Chapter) to improve chemistry online delivery.

Oxidation Reduction Reactions MCQs PDF Download – Prep Test

MCQ 1: In Copper Oxide (CuO) and Carbon Monoxide (CO) reaction, the reducing agent is:

CuO
CO
Cu
CO₂

MCQ 2: 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

MCQ 3: The process of reduction involves:

gain in hydrogen only
loss of oxygen only
loss of hydrogen
gain in hydrogen and loss of oxygen

MCQ 4: 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

MCQ 5: 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 MCQs App & e-Book – Oxidation Reduction Reactions Practice Tests

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