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Class 9 Chemistry MCQ Questions

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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