Class 9 Courses

Chapter 2: Class 9 Chemistry Exam Tests

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

  1. NaOH
  2. urea
  3. glucose
  4. benzene
MCQ 17:

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

  1. electrolysis
  2. electroplating
  3. carbon plating
  4. none of above
MCQ 18:

A physical or chemical process that occurs by itself is called

  1. non spontaneous
  2. self occurring process
  3. spontaneous process
  4. thermodynamic process
MCQ 19:

Voltaic cells generate electricity by

  1. spontaneous redox reaction
  2. non spontaneous redox reaction
  3. sublimation reaction
  4. thermochemical reaction
MCQ 20:

The oxidation state of any free element is always

  1. 1
  2. 2
  3. 3
  4. 0

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