Physical and Chemical Changes Multiple Choice Questions 12 PDF Download

Practice physical and chemical changes MCQs, grade 7 online science test 12, making plastics multiple choice questions and answers. Making plastics revision test has science worksheets, helping answer key with choices as 1808, 1707, 1909 and 2002 of multiple choice questions (MCQ) with making plastics quiz as the plastic industry began in for competitive exam prep, viva interview questions. Free science study guide to practice making plastics quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz PDF Download Worksheets 12

MCQ. The plastic industry began in

  1. 1707
  2. 1808
  3. 1909
  4. 2002

C

MCQ. Two indefinite characteristics of gases are

  1. volume and surface area
  2. volume and mass
  3. surface area and mass
  4. volume and shape

D

MCQ. For combustion, the required gas is

  1. carbon dioxide
  2. nitrogen
  3. hydrogen
  4. oxygen

D

MCQ. Mixing of iron and sulphur together brings

  1. chemical change
  2. physical change
  3. biological change
  4. organic change

B

MCQ. Ammonia is made by mixing two gases. These gases are

  1. nitrogen and hydrogen
  2. nitrogen and oxygen
  3. nitrogen and methane
  4. methane and oxygen

A