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Class 9 Chemistry MCQ e-Book PDF | Electrochemistry App Download

Class 9 Chemistry Entrance Exam: Practice Test 6 (Chapter 2)

Electrochemistry Multiple Choice Questions (MCQ) PDF Download - 6

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The Electrochemistry Multiple Choice Questions (MCQ Quiz) with Answers PDF (Electrochemistry MCQ PDF e-Book) download Ch. 2-6 to learn Class 9 Chemistry Course. Study Electrochemical Industries Multiple Choice Questions and Answers (MCQs) PDF, Electrochemistry Quiz Questions and Answers for online certificate programs. The Class 9 Chemistry MCQ App Download: Free Electrochemistry App to learn electrochemical industries, oxidation and reduction, electrochemical cells test prep for distance education.

The MCQs: In chromium plating, few drops of Sulphuric acid are added to the electrolyte to prevent; "Electrochemistry" App (Android, iOS) with answers: reduction, oxidation, hydrolysis, and sublimation for online certificate programs. Practice Electrochemical Industries MCQ Questions, download Apple Book (Free Sample) for school certificate.

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Electrochemistry MCQs with Answers PDF Download: Quiz 6

MCQ: 26

In chromium plating, few drops of Sulphuric acid are added to the electrolyte to prevent

  1. oxidation
  2. reduction
  3. hydrolysis
  4. sublimation
MCQ: 27

The electrodes used in the production of sodium metal are

  1. iron cathode and graphite anode
  2. sodium cathode and carbon anode
  3. aluminum cathode and fluoride anode
  4. aluminum cathode and sodium anode
MCQ: 28

In thermal power stations, carbon atoms undergo oxidation to form

  1. CO2
  2. CO
  3. H2O
  4. O2
MCQ: 29

Electrolytes convert electricity in

  1. solid state
  2. liquid state
  3. gaseous state
  4. plasma state
MCQ: 30

A concentrated aqueous solution of sodium chloride is called

  1. aqueous solution
  2. salt solution
  3. brine
  4. lemonade
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