Class 9 Chemistry MCQs - Chapter 2

Electrochemistry Multiple Choice Questions (MCQ Quiz) PDF Download - 1

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Class 9 Chemistry: Electrochemistry MCQs Questions PDF Download

MCQ: The process in which substance gains electrons is called

A) oxidation

B) hydrogenation

C) sublimation

D) reduction

MCQ: On an industrial scale, sodium metal is prepared by electrolysis of fused

A) NaOH

B) NaCl

C) NaO

D) NH₃

MCQ: Corrosion can be prevented by

A) Alloying

B) Tinning

C) Galvanizing

D) all of above

MCQ: The electrolyte used for tin plating is

A) sulphide ore

B) stannous sulphate

C) hydrogen sulphate

D) sodium chloride

MCQ: An electrolytic cell uses electrical energy to drive

A) chemical reaction

B) physical reaction

C) no reaction

D) biochemical reaction

Practice MCQs: Class 9 Chemistry Mock Tests

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