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

Class 9 Chemistry Study Material: Practice Test 7 (Chapter 2)

Electrochemistry Quiz Questions & Answers PDF Download - 7

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The Electrochemistry Quiz Questions and Answers PDF (Electrochemistry Quiz PDF e-Book) download Ch. 2-7 to learn Class 9 Chemistry Course. Solve Oxidation and Reduction MCQs PDF, Electrochemistry Quiz Questions and Answers to learn online courses. The Class 9 Chemistry Quiz App Download: Free Electrochemistry App to learn oxidation and reduction test prep for distance learning classes.

The Quiz: Rusting of iron occurs due to; "Electrochemistry" App (iOS, Android) with answers: hydrogenation, reduction, oxidation, and sublimation to learn online courses. Study Oxidation and Reduction MCQ Questions, download Google Book (Free Sample) for online school classes.

Electrochemistry Exam Questions and Answers PDF Download: Test 7

MCQ: 31

Rusting of iron occurs due to

  1. reduction
  2. hydrogenation
  3. oxidation
  4. sublimation
MCQ: 32

The element reduced in following reaction 2Ca + O2 2CaO is

  1. Ca
  2. O2
  3. CaO
  4. none of above
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