Class 7 Science MCQs - Chapter 18

Physical and Chemical Changes MCQ Questions PDF Download - 14

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The Book Physical and chemical changes MCQ with Answers PDF, physical and chemical changes quiz questions, test 14 to learn class 7 science online course. Study Solids Liquids and Gases Multiple Choice Questions and Answers (MCQs) PDF, physical and chemical changes quiz questions and answers for online learning. The eBook Physical and Chemical Changes MCQs App Download: solids liquids and gases, iron and sulphur, polyvinyl chloride, making ammonia test prep for distance learning.

The MCQs: When solids are heated, they PDF, "Physical and Chemical Changes MCQs" App Android & iOS (Free) with expand more than gases but less than liquids, expand more than liquids, expand more than liquids but less than gases, and expand less than both liquids and gases choices for online learning. Practice solids liquids and gases quiz questions, download Apple Book (Free Sample) for online study.

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

MCQ: When solids are heated, they

A) expand more than liquids

B) expand more than gases but less than liquids

C) expand more than liquids but less than gases

D) expand less than both liquids and gases

MCQ: The change of shape of liquid according to the shape of container is due to

A) space between particles

B) collision of particles

C) movement of particles

D) force of attraction between particles

MCQ: Melting point of 'sulphur' is

A) 113 °C

B) 311 °C

C) both

D) none

MCQ: To separate the molecules of ethene dichloride, the compound is

A) heated lightly

B) heated gently

C) heated strongly

D) heated for a long time

MCQ: For security and military purpose, ammonia is used in

A) explosives

B) bullets

C) flash bangs

D) tear gas shells

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