Class 7 Science MCQs - Chapter 18
Physical and Chemical Changes Multiple Choice Questions (MCQ) PDF - 16
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Physical and Chemical Changes Questions & Answers PDF Download: MCQ Quiz 16
MCQ 76: Oils is separated from crude oil through the process of
MCQ 77: The name of the oil from which ethene is obtained is
MCQ 78: In the process of forming iron sulfide by iron and sulphur, the reactant is
MCQ 79: The properties of 'plastic' depends on
MCQ 80: When ethene and chlorine combine together, they form
Class 7 Science Mock Tests
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