Grade 7 Science MCQ App Download | Physical and Chemical Changes PDF e-Book
Class 7 Science MCQs: Chapter 17
Apps:
The Physical and chemical changes Multiple Choice Questions (MCQ Quiz) with Answers PDF (Physical and Chemical Changes MCQ PDF e-Book) download Ch. 17-30 to learn Grade 7 Science Course. Study Burning Fuels Multiple Choice Questions and Answers (MCQs) PDF, Physical and Chemical Changes Quiz Questions and Answers to learn distance learning courses. The Physical and Chemical Changes MCQ App Download: Free Grade 7 Science App to learn burning fuels, physical changes, making plastics, chemical changes, endothermic reactions test prep for online certifications.
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A substance which is burned to produce heat and light is known as
A change of state from one form to other is a
Plastic industry was started when a chemist made a
Physical changes are
The reactions of 'exothermic' are
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