Class 7 Courses

Chapter 1: Class 7 Science Exam Tests

Class 7 Science MCQs - Chapter 1

Atoms and Atom Model Trivia Questions and Answers PDF - 28

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Atoms and Atom Model Questions & Answers PDF Download: MCQ Quiz 28

MCQ 136:

In medical the most common use of nuclear battery is in

  1. hybrid machine
  2. heart machine
  3. pace maker
  4. ultrasound machine
MCQ 137:

True statement about strength of bonding is

  1. ionic bonding is weaker than covalent bonding
  2. covalent bonding is stronger than ionic bonding
  3. ionic bonding is weaker than dative bonding
  4. covalent bonding is weaker than ionic bonding
MCQ 138:

The most common use of 'radioactivity' is

  1. generation of electricity
  2. production of medicine
  3. in agriculture
  4. in industries
MCQ 139:

An atom of 'hydrogen' has

  1. one proton and one electron
  2. one proton, one neutron and one electron
  3. one proton and one neutron
  4. one electron and one neutron
MCQ 140:

Protons and neutrons have

  1. charge
  2. mass
  3. energy
  4. sound

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Atoms and Atom Model App (Android & iOS)

Atoms and Atom Model 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)