Class 9 Chemistry MCQs - Chapter 2

Electrochemistry MCQ (Multiple Choice Questions) PDF - 2

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Electrochemistry Questions & Answers PDF Download: MCQ Quiz 2

MCQ 6: Loss of hydrogen atoms by an element is called

A) hydrogenation

B) oxidation

C) reduction

D) sublimation

MCQ 7: The elements whose oxidation number is increased are

A) reduced

B) hydrogenated

C) oxidized

D) oxygenated

MCQ 8: The oxidation state of group IIIA metals is

A) -3

B) 3

C) 0

D) 1

MCQ 9: In a dry cell, the anode is made up of

A) zinc

B) calcium

C) sodium

D) graphite

MCQ 10: An electrochemical cell is also called

A) battery cell

B) galvanic cell

C) cell

D) chargeable cell

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