Physical and Chemical Changes Multiple Choice Questions 18 PDF Download

Learn physical and chemical changes MCQs, grade 7 online science test 18, solids liquids and gases multiple choice questions and answers. Solids liquids and gases revision test has science worksheets, helping answer key with choices as liquids only, solids only, gases only and metals only of multiple choice questions (MCQ) with solids liquids and gases quiz as the least kinetic energy is found in for competitive exam prep, viva interview questions. Free science study guide to practice solids liquids and gases quiz to attempt multiple choice questions based test.

MCQs on Physical and Chemical Changes Quiz PDF Download Worksheets 18

MCQ. The least kinetic energy is found in

  1. solids only
  2. liquids only
  3. gases only
  4. metals only


MCQ. Plastics are made up of

  1. small molecules
  2. small atoms
  3. large atoms
  4. large molecules


MCQ. In chemical reactions, energy is absorbed or released in the form of

  1. sound
  2. light
  3. electricity
  4. heat


MCQ. Chemical reactions are

  1. reversible
  2. irreversible
  3. permanent
  4. temporary


MCQ. Polyethene is used to make

  1. furniture
  2. cooking utensils
  3. plastic bags
  4. decorative items