Physical and Chemical Changes MCQ App Download | Class 7 Science PDF e-Book
Class 7 Science MCQs: Chapter 17
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The Physical and chemical changes Multiple Choice Questions (MCQ Quiz) with Answers PDF (Physical and Chemical Changes MCQ PDF e-Book) download Ch. 17-22 to learn Class 7 Science Course. Study Making Plastics Multiple Choice Questions and Answers (MCQs) PDF, Physical and Chemical Changes Quiz Questions and Answers to learn online school courses. The Physical and Chemical Changes MCQ App Download: Free Class 7 Science App to learn making plastics, iron and sulphur, photosynthesis process, solids liquids and gases test prep for online classes.
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Plastic was invented by
The compound which is formed by heating iron and sulphur, is known as
'Photosynthesis' is a
Particles are close together in
No new substance is formed during
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