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Class 7 Science MCQs – Practice Test 33 (Chapter 17)

Physical and Chemical Changes MCQs with Answers PDF Download – Test 33

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Learn Physical and chemical changes Multiple Choice Questions (MCQs) with Answers PDF to improve middle school STEM. Download the Physical and Chemical Changes MCQs PDF e-Book, Ch. 17-33 to study Class 7 Science Course. Learn Physical and Chemical Changes Quiz Questions and Answers to learn STEM concepts. Download the Physical and Chemical Changes MCQs App: Free Class 7 Science Study App to polythene, solids liquids and gases, reversible reaction, physical changes, chemical changes test prep to enhance STEM digitally.

Free Physical and Chemical Changes MCQs App Download: "As compared to low density polythene, the high density polythene can withstand"; MCQ with answers: low pressures, high temperatures, high pressures, and low temperatures. Solve Polythene MCQ Questions, download Google e-Book (Free Chapter) to improve middle school STEM.

Physical and Chemical Changes MCQs – Practice Test 33 PDF Download

MCQ 161: As compared to low density polythene, the high density polythene can withstand:

  1. high temperatures
  2. low pressures
  3. high pressures
  4. low temperatures

MCQ 162: The particles of gases are:

  1. packed tightly
  2. packed closely
  3. small as compared to that of solids and liquids
  4. far apart

MCQ 163: The color of 'nitrogen' gas is:

  1. brown
  2. red
  3. green
  4. purple

MCQ 164: After sometime the particles of solids start to move far apart, when:

  1. kinetic energy is greater than thermal energy
  2. kinetic energy is greater than force of attraction
  3. potential energy is greater than kinetic energy
  4. potential energy is greater than thermal energy

MCQ 165: Chemical changes are also known as:

  1. physical reactions
  2. chemical reactions
  3. biological reactions
  4. prominent reactions

Class 7 Science MCQs App & e-Book – Physical and Chemical Changes Study Guide

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