Grade 7 English MCQs

Physical and Chemical Changes Multiple Choice Questions Test 33 Tests pdf Download

Practice science test 33 on physical and chemical changes MCQs, grade 7 polyethene multiple choice questions and answers. Polyethene revision test has science worksheets, answer key with choices as low pressures, high temperatures, high pressures and low temperatures of multiple choice questions (MCQ) with polyethene quiz as as compared to low density polyethene, high density polyethene can withstand for competitive exam prep. Free science study guide to learn polyethene quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz pdf Download Worksheets 33

MCQ. As compared to low density polyethene, high density polyethene can withstand

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

A

MCQ. Particles of gases are

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

D

MCQ. Color of nitrogen gas is

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

A

MCQ. After sometime particles of solids start to move far apart, this is when

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

B

MCQ. Chemical changes are also known as

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

B