Class 7 Science MCQs - Chapter 18

Physical and Chemical Changes Quiz Answers PDF Download - 31

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The Quiz: When the state of matter is changed from solid to liquid, we call it PDF, "Physical and Chemical Changes Quiz" App iOS & Android (Free) with freezing, melting, boiling, and condensing choices for online classes. Study physical changes quiz questions, download Amazon eBook (Free Sample) for virtual online school.

Class 7 Science: Physical and Chemical Changes Quiz Questions PDF Download

MCQ: When the state of matter is changed from solid to liquid, we call it

A) melting

B) freezing

C) boiling

D) condensing

MCQ: The name of the inventor who invented plastic is

A) John Dalton

B) John Green

C) Albert Einstein

D) John Hyatt

MCQ: 'Plastics' are

A) nature made

B) self made

C) man made

D) ion-made

MCQ: The reaction of 'magnesium' with air is

A) exothermic reaction

B) endothermic reaction

C) reversible reaction

D) substitution reaction

MCQ: The color of solid sulphur is

A) green

B) brown

C) white

D) yellow

Practice MCQs: Class 7 Science Mock Tests

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