Class 7 Science MCQs - Chapter 18

Physical and Chemical Changes Multiple Choice Questions (MCQ) PDF - 4

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Physical and Chemical Changes Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16: The chemist who started plastic industry was an

A) Chinese

B) Indian

C) American

D) British

MCQ 17: Ethene is obtained from

A) light oil

B) coconut oil

C) olive oil

D) sunflower oil

MCQ 18: Two major requirements for preparation of ammonia are

A) low temperature and high pressure

B) low temperature and pressure

C) high temperature and low pressure

D) high temperature and pressure

MCQ 19: The melting point of ice is

A) 0 °C

B) 1 °C

C) 100 °C

D) 50 °C

MCQ 20: When heat is provided to particles of solids, they gain

A) heat energy

B) potential energy

C) kinetic energy

D) thermal energy

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Physical and Chemical Changes Multiple Choice Questions (MCQ) PDF - 4

Physical and Chemical Changes Questions & Answers PDF Download: MCQ Quiz 4

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