Class 9 Chemistry MCQs – Practice Test for Exam Prep

Oxidation and Reduction Multiple Choice Questions with Answers – PDF Download

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Download the "Oxidation and Reduction Learning" App with MCQ: Process in which substance gains electrons is called; with answers: oxidation, hydrogenation, sublimation, and reduction. Solve Electrochemistry Quiz Questions, download Google e-Book (Free Chapter) to maximize chemistry educational outcomes.

Oxidation and Reduction MCQs PDF Download – Prep Test

MCQ 1: The process in which substance gains electrons is called:

oxidation
hydrogenation
sublimation
reduction

MCQ 2: Loss of hydrogen atoms by an element is called:

hydrogenation
oxidation
reduction
sublimation

MCQ 3: By losing one or two electrons the atoms of metal are:

oxidized
reduced
hydrogenated
sublimated

MCQ 4: In thermal power stations, carbon atoms undergo oxidation to form:

CO₂
CO
H₂O
O₂

MCQ 5: Rusting of iron occurs due to:

reduction
hydrogenation
oxidation
sublimation

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