Class 9 Chemistry MCQs - Chapter 2

Electrochemistry Quiz Questions and Answers PDF - 7

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The Quiz: Rusting of iron occurs due to; "Electrochemistry" App Download iOS & Android (Free) with answers hydrogenation, reduction, oxidation and sublimation to learn online courses. Study oxidation and reduction quiz questions, download Amazon eBook (Free Sample) for online school classes.

Electrochemistry Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: Rusting of iron occurs due to

reduction
hydrogenation
oxidation
sublimation

MCQ 32: The element reduced in following reaction 2Ca + O₂ 2CaO is

Ca
O₂
CaO
none of above

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