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 The concept of orbit was used by:<br>
  • A. J.J Thomson<br>
  • B. Rutherford<br>
  • C. Bohr <br>
  • D. Planck <br>
2 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
3 Deuterium is used to make:<br>
  • A. light water <br>
  • B. heavy water<br>
  • C. soft water<br>
  • D. hard water<br>
4 Which of the following can accommodate 18 electrons?
  • A. K
  • B. L
  • C. M
  • D. N
5 The no.of neutrons in deutrium is
  • A. 1
  • B. 2
  • C. 3
  • D. 4
6 Which radioisotope is used for the diagnosis of tumor in the body?<br>
  • A. cobalt-60<br>
  • B. iodine-131<br>
  • C. strontium-90<br>
  • D. phosphorus-30<br>
7 The lowest energy level is
  • A. K
  • B. L
  • C. M
  • D. N
8 "Atoms" means _________
  • A. Divisible
  • B. Indivisible
  • C. Break
  • D. Nil
9 Energy of a shell is ________________
  • A. Variable
  • B. Constant
  • C. Cannot be changed
  • D. Nil
10 ________________ proposed that matter is composed of small particles.
  • A. Greek
  • B. English's
  • C. Russian
  • D. Nil

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Amber Ali

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Amber Ali

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Amber Ali

Lahore10 - Sep - 2024

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Filex John

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Maqbool Khan

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11/12
21 Sec
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Maqbool Khan

Lahore19 - Oct - 2024

11/12
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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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