CBES Board Class 9/Electrochemistry Multiple Choice Questions Class 9 MCQs :- multiple choice questions and answers. e.g CBES Board Class 9 MCQS,CBES Board Class 9 Mock Tests , CBES Board Class 9 Practice Papers ,CBES Board Class 9 Sample Test,CBES Board Class 9 Sample questions

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Question 1: The process in which substance gains electrons is called

oxidation

hydrogenation

sublimation

reduction

Total MCQS Questions are 32 in this paper Electrochemistry Multiple Choice Questions Class 9
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