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 20 (Chapter 17)

Physical and Chemical Changes Notes Questions with Answers PDF Download – Test 20

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Learn Physical and chemical changes Notes Questions and Answers PDF for science remote learning pathways. Download the Physical and Chemical Changes Quiz Answers PDF e-Book, Ch. 17-20 to study Class 7 Science Course. Practice Polyvinyl Chloride MCQ PDF, Physical and Chemical Changes Quiz Questions and Answers for science remote learning pathways. Download Physical and Chemical Changes Study App: Free Class 7 Science Notes App to polyvinyl chloride, reversible reaction, solids liquids and gases, making plastics test prep for science app learning systems.

Free Physical and Chemical Changes Study App with MCQ: "Gases that required to manufacture 'PVC' are"; with answers: ethene and chlorine, methane and chlorine, methane, ethene and chlorine, and propane, oxygen and chlorine. Practice Polyvinyl Chloride MCQ Questions, download Kobo e-Book (Free Chapter) to promote science education.

Physical and Chemical Changes MCQs – Practice Test 20 PDF Download

MCQ 96: The gases that required to manufacture 'PVC' are:

  1. methane and chlorine
  2. ethene and chlorine
  3. methane, ethene and chlorine
  4. propane, oxygen and chlorine

MCQ 97: The water melts and freezes at:

  1. different temperatures
  2. different pressure
  3. same temperature
  4. same pressure

MCQ 98: The force of attraction between particles of gases is:

  1. weaker than liquids but stronger than solids
  2. weaker than liquids and solids both
  3. stronger than solids but weaker than gases
  4. stronger than solids and liquids both

MCQ 99: 'Bakelite' is used to:

  1. insulate heater handles
  2. increase heat conductivity
  3. increase electrical conductivity
  4. insulate electrical equipment

MCQ 100: The speed of particles is fastest in:

  1. solids
  2. liquids
  3. gases
  4. fluids

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