Class 9 Chemistry MCQs - Chapter 2
Electrochemistry Trivia Questions and Answers PDF - 4
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Electrochemistry Questions & Answers PDF Download: MCQ Quiz 4
MCQ 16: The electrolyte among the following is
- NaOH
- urea
- glucose
- benzene
MCQ 17: The process used to deposit one metal over another metal is called
- electrolysis
- electroplating
- carbon plating
- none of above
MCQ 18: A physical or chemical process that occurs by itself is called
- non spontaneous
- self occurring process
- spontaneous process
- thermodynamic process
MCQ 19: Voltaic cells generate electricity by
- spontaneous redox reaction
- non spontaneous redox reaction
- sublimation reaction
- thermochemical reaction
MCQ 20: The oxidation state of any free element is always
- 1
- 2
- 3
- 0
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