Atomic Structure – Chemistry 9th – Level 3

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Atomic Structure - Level 3

Chapter 2 - Chemistry Class 9th - Test Preparation MCQs

Chapter : Atomic Structure (Level 3)
Subject : Chemistry
Class : 9th
Board : Sindh Board
Total MCQs : 10
Extract From : 9th Class Note Book
Time : 5 Minutes (30 Seconds for Each Question)

  1. Which particle is the lightest in the following?
  2. It was discovered in discharge tube experiment.
  3. Cathode rays consist of fast moving:
  4. In discharge tube, cathode rays travel in straight line from:
  5. Which one of the following has a negative charge?
  6. The charge and mass ratio (e/m) of cathode particles (or electrons) is:
  7. Cathode rays (or electrons) can produce mechanical pressure indicating they possess:
  8. Which one of the following particles has positive charge?
  9. Goldstein justify that atoms are electrically:
  10. In discharge tube, canal rays (or protons) travel in straight line from:

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1. Goldstein justify that atoms are electrically:

2 / 10

2. It was discovered in discharge tube experiment.

3 / 10

3. Cathode rays (or electrons) can produce mechanical pressure indicating they possess:

4 / 10

4. Which one of the following has a negative charge?

5 / 10

5. In discharge tube, cathode rays travel in straight line from:

6 / 10

6. Cathode rays consist of fast moving:

7 / 10

7. The charge and mass ratio (e/m) of cathode particles (or electrons) is:

8 / 10

8. Which one of the following particles has positive charge?

9 / 10

9. In discharge tube, canal rays (or protons) travel in straight line from:

10 / 10

10. Which particle is the lightest in the following?

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