Physical and Chemical Changes Study App | Class 7 Science Notes e-Book PDF

Class 7 Science MCQs (Grade 7) From Textbook

Class 7 Science Exam MCQs – Practice Test 4 (Chapter 17)

Physical and Chemical Changes Notes Questions with Answers PDF Download – Test 4

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Learn Physical and chemical changes Notes Questions and Answers PDF (Physical and Chemical Changes Quiz Answers PDF e-Book) download Ch. 17-4 to study Class 7 Science Course. Practice Making Plastics MCQ PDF, Physical and Chemical Changes Quiz Questions and Answers for science remote academic support. Free Physical and Chemical Changes Study App: Download the Class 7 Science Notes App to making plastics, polythene, making ammonia, reversible reaction, physical changes test prep for science STEM education portals.

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Physical and Chemical Changes MCQs – Practice Test 4 PDF Download

MCQ 16: The chemist who started plastic industry was an:

  1. Chinese
  2. Indian
  3. American
  4. British

MCQ 17: Ethene is obtained from:

  1. light oil
  2. coconut oil
  3. olive oil
  4. sunflower oil

MCQ 18: Two major requirements for preparation of ammonia are:

  1. low temperature and high pressure
  2. low temperature and pressure
  3. high temperature and low pressure
  4. high temperature and pressure

MCQ 19: The melting point of ice is:

  1. 0 °C
  2. 1 °C
  3. 100 °C
  4. 50 °C

MCQ 20: When heat is provided to particles of solids, they gain:

  1. heat energy
  2. potential energy
  3. kinetic energy
  4. thermal energy

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