Class 9 Chemistry MCQs - Chapter 5

Physical States of Matter Quiz Answers PDF Download - 3

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Class 9 Chemistry: Physical States of Matter Quiz Questions PDF Download

MCQ: The movement of molecules from higher concentration to lower concentration is called

A) diffusion

B) concentration

C) effusion

D) mobility

MCQ: At Mount Everest, the water boils at

A) 100 °C

B) 90 °C

C) 80 °C

D) 70 °C

MCQ: The barometer is invented by

A) Galileo

B) Robert Boyle

C) Charles

D) Torricelli

MCQ: The melting and freezing of a substance occurs as

A) same temperature

B) more than melting point

C) more than freezing point

D) less than boiling point

MCQ: If the liquid is heated to increase the kinetic energy then the liquid will

A) evaporate slowly

B) evaporate faster

C) not evaporate

D) boil

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