Class 7 Science MCQs - Chapter 18

Physical and Chemical Changes Multiple Choice Questions (MCQ Quiz) PDF Download - 33

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The Book Physical and chemical changes Multiple Choice Questions and Answers (MCQs), physical and chemical changes MCQ Quiz PDF, test 33 to study online class 7 science certificate courses. Practice Polythene MCQs PDF, physical and chemical changes quiz questions and answers for virtual online school. The e-Book Physical and Chemical Changes MCQ App Download: polythene, solids liquids and gases, reversible reaction, physical changes, chemical changes test prep for distance learning.

The Multiple Choice Question (MCQ Quiz): As compared to low density polythene, the high density polythene can withstand PDF, "Physical and Chemical Changes" App Download (Free) with low pressures, high temperatures, high pressures, and low temperatures choices for virtual online school. Solve polythene quiz questions, download Google eBook (Free Sample) for online teaching certification programs.

Class 7 Science MCQs: Physical and Chemical Changes Quiz PDF Download - 33

MCQ: As compared to low density polythene, the high density polythene can withstand

A) high temperatures

B) low pressures

C) high pressures

D) low temperatures

MCQ: The particles of gases are

A) packed tightly

B) packed closely

C) small as compared to that of solids and liquids

D) far apart

MCQ: The color of 'nitrogen' gas is

A) brown

B) red

C) green

D) purple

MCQ: After sometime the particles of solids start to move far apart, when

A) kinetic energy is greater than thermal energy

B) kinetic energy is greater than force of attraction

C) potential energy is greater than kinetic energy

D) potential energy is greater than thermal energy

MCQ: Chemical changes are also known as

A) physical reactions

B) chemical reactions

C) biological reactions

D) prominent reactions

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