Class 7 Courses

Chapter 17: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 17

Physical and Chemical Changes Trivia Questions & Answers PDF Download - 20

The Physical and chemical changes Trivia Questions and Answers PDF (physical and chemical changes Quiz Answers PDF e-Book) download Ch. 17-20 to study Grade 7 Science Course. Practice Polyvinyl Chloride MCQ PDF, Physical and Chemical Changes Quiz Questions and Answers to learn distance learning courses. The Physical and Chemical Changes Trivia App Download: Free certification app for polyvinyl chloride, reversible reaction, solids liquids and gases, making plastics test prep for online elementary school classes.

The Quiz: The gases that required to manufacture 'PVC' are; "Physical and Chemical Changes" App APK Download with answers: Ethene and chlorine; Methane and chlorine; Methane, ethene and chlorine; Propane, oxygen and chlorine; to learn distance learning courses. Practice Polyvinyl Chloride MCQ Questions, download Kindle eBook (Free Sample) for online certificate courses.

Physical and Chemical Changes Test Questions and Answers PDF Download: MCQ 20

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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Physical and Chemical Changes App (Android & iOS)

Physical and Chemical Changes App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (iOS & Android)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (iOS & Android)