2nd Chapter

9th class Chemistry Chapter 2 (English Medium)

Here you can prepare 9th Chemistry English Medium Chapter 2 (Structure of Atoms) Test. Click the button for 100% free full practice test.

Matric Part 1/9th Class Chemistry Chapter 2 MCQ Test With Answer for Chapter 2 Structure of Atoms

Matric Part 1/9th Class Chemistry Chapter 2 MCQ Test With Answer for Chapter 2 Structure of Atoms

Sr. # Questions Answers Choice
1 Deuterium is used to make:<br>
  • A. light water <br>
  • B. heavy water<br>
  • C. soft water<br>
  • D. hard water<br>
2 Hydrogen has ________________ isotopes.
  • A. 1
  • B. 2
  • C. 3
  • D. 4
3 Energy of a shell is ________________
  • A. Variable
  • B. Constant
  • C. Cannot be changed
  • D. Nil
4 The number of isotopes of carbon are
  • A. 1
  • B. 2
  • C. 3
  • D. 5
5 According to Bohr, electrons can revolve only in this orbits whose angular momentum is
  • A. h/2π
  • B. n 2h/π
  • C. n h2/2π
  • D. n h/2π
6 L shell can accommodate ________________ electrons.
  • A. 2
  • B. 8
  • C. 18
  • D. 32
7 Which of the following result in discovery of proton?<br>
  • A. cathode rays<br>
  • B. canal rays <br>
  • C. x-rays <br>
  • D. alpha rays<br>
8 Atoms of elements combine chemically to form:<br>
  • A. Mixtures<br>
  • B. compounds<br>
  • C. solutions <br>
  • D. ions<br>
9 For diagnosis of goiter in thyroid gland we use
  • A. Co-60
  • B. C-14
  • C. I-131
  • D. Sr-90
10 The no.of neutrons in deutrium is
  • A. 1
  • B. 2
  • C. 3
  • D. 4

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Azain Ilyas

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Amber Ali

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Amber Ali

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Amber Ali

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Chapterwise Lists

Chapter Name Questions PDF File
Chemistry 9th Class English Medium Unit 1 Online Test 12 Questions
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Chemistry 9th Class English Medium Unit 2 Online Test 12 Questions
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