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 - 28

The Physical and chemical changes Trivia Questions and Answers PDF (physical and chemical changes Quiz Answers PDF e-Book) download Ch. 17-28 to study Grade 7 Science Course. Practice Making Plastics MCQ PDF, Physical and Chemical Changes Quiz Questions and Answers to study online certificate courses. The Physical and Chemical Changes Trivia App Download: Free certification app for making plastics, ammonia and fertilizers, solids liquids and gases, making ammonia, iron and sulphur test prep for online education.

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Physical and Chemical Changes Test Questions and Answers PDF Download: MCQ 28

MCQ 136:

'Plastic' is made of

  1. amines
  2. alkanes
  3. hydrocarbons
  4. alcohols
MCQ 137:

The essential mineral for plants other than ammonia, is

  1. potassium
  2. sodium
  3. phosphorus
  4. uranium
MCQ 138:

'Liquids' flow

  1. only if boiled
  2. hardly
  3. more than solids but less than gases
  4. more than gases but less than solids
MCQ 139:

The common products in which ammonia is used, are

  1. lubricants
  2. detergents
  3. perfumes
  4. deodorants
MCQ 140:

In mixture, the particles of iron and sulphur are

  1. separate
  2. chemically bonded
  3. biologically bonded
  4. permanently bonded

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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)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)

6th Grade Science App (Android & iOS)

6th Grade Science App (iOS & Android)