Class 9 Chemistry MCQs - Chapter 2

Electrochemistry MCQ with Answers PDF Download - 4

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Class 9 Chemistry: Electrochemistry MCQ Questions PDF Download

MCQ: The electrolyte among the following is

A) NaOH

B) urea

C) glucose

D) benzene

MCQ: The process used to deposit one metal over another metal is called

A) electrolysis

B) electroplating

C) carbon plating

D) none of above

MCQ: A physical or chemical process that occurs by itself is called

A) non spontaneous

B) self occurring process

C) spontaneous process

D) thermodynamic process

MCQ: Voltaic cells generate electricity by

A) spontaneous redox reaction

B) non spontaneous redox reaction

C) sublimation reaction

D) thermochemical reaction

MCQ: The oxidation state of any free element is always

A) 1

B) 2

C) 3

D) 0

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