Class 9 Chemistry MCQs - Chapter 2

Electrochemistry Multiple Choice Questions (MCQ) 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

hydrogenation
oxidation
reduction
sublimation

MCQ 7: The elements whose oxidation number is increased are

reduced
hydrogenated
oxidized
oxygenated

MCQ 8: The oxidation state of group IIIA metals is

-3
3
0
1

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

zinc
calcium
sodium
graphite

MCQ 10: An electrochemical cell is also called

battery cell
galvanic cell
cell
chargeable cell

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