Class 9 Courses

Chapter 8: Class 9 Chemistry Exam Tests

Class 9 Chemistry MCQs - Chapter 8

Structure of Molecules Trivia Questions & Answers PDF Download - 4

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Structure of Molecules Test Questions and Answers PDF Download: MCQ 4

MCQ 16:

Synthetic resins are used in places where

  1. air resistance is required
  2. water resistance is required
  3. friction is required
  4. adhesion is required
MCQ 17:

Oxygen belongs to group VIA so the number of electrons in its valence shell is

  1. 6
  2. 7
  3. 8
  4. 4
MCQ 18:

Electron pairs which are not shared by atoms are called

  1. electron pairs
  2. lone pairs
  3. proton pairs
  4. shell pairs
MCQ 19:

The strength of intermolecular forces from the ionic or covalent bond is

  1. weaker
  2. stronger
  3. equal
  4. none of above
MCQ 20:

Ionic crystals have

  1. low melting points
  2. moderate melting points
  3. high melting points
  4. none of above

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Structure of Molecules App (Android & iOS)

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9th Grade Chemistry App (Android & iOS)

9th Grade Chemistry App (iOS & Android)

College Chemistry App (Android & iOS)

College Chemistry App (Android & iOS)

SAT Chemistry App (Android & iOS)

SAT Chemistry App (iOS & Android)