Class 7 Science MCQs - Chapter 18
Physical and Chemical Changes MCQ (Multiple Choice Questions) PDF - 30
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Physical and Chemical Changes Questions & Answers PDF Download: MCQ Quiz 30
MCQ 146: A substance which is burned to produce heat and light is known as
MCQ 147: A change of state from one form to other is a
MCQ 148: Plastic industry was started when a chemist made a
MCQ 149: Physical changes are
MCQ 150: The reactions of 'exothermic' are
Class 7 Science Mock Tests
Physical and Chemical Changes Learning App & Free Study Apps
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