Class 7 Science MCQs - Chapter 18
Physical and Chemical Changes Quiz Questions and Answers PDF - 15
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The Quiz: Shape of solid is; "Physical and Chemical Changes" App Download iOS & Android (Free) with answers definite, changeable, irregular and regular to learn online classes courses. Study solids liquids and gases quiz questions, download Amazon eBook (Free Sample) for online school classes.
Physical and Chemical Changes Questions & Answers PDF Download: MCQ Quiz 15
MCQ 71: The shape of solid is
- changeable
- definite
- irregular
- regular
MCQ 72: The reaction in which heat is taken while taking place, is known as
- exothermic reaction
- endothermic reaction
- reversible reaction
- substitutive reaction
MCQ 73: Large and long molecules made by the linkage of small molecules are known as
- polyesters
- polymers
- polypeptides
- polysomerism
MCQ 74: John Hyatt's invention was about
- cellulose in wood
- soil particles under plant roots
- plant stem
- barks of wood
MCQ 75: Polyvinyl chloride is a
- metal
- plastic
- metalloid
- gas
Class 7 Science Mock Tests
Physical and Chemical Changes Learning App & Free Study Apps
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