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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 p subshell has:<br>
  • A. one orbital <br>
  • B. two orbitals <br>
  • C. three orbitals <br>
  • D. four orbitals<br>
2 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>
3 The lowest energy level is
  • A. K
  • B. L
  • C. M
  • D. N
4 The number of isotopes of carbon are
  • A. 1
  • B. 2
  • C. 3
  • D. 5
5 Half life of C-14 ________________ years.
  • A. 5800
  • B. 5700
  • C. 5600
  • D. 5500
6 Cathode rays are actually
  • A. Electrons
  • B. Protons
  • C. Neutrons
  • D. Photons
7 In a discharge tube, the pressure of a gas is kept at
  • A. 10-2 atm
  • B. 10-4 atm
  • C. 10-6 atm
  • D. 10-8 atm
8 The isotopes C-12 is present in abundance of:<br>
  • A. 96.6%
  • B. 97.6%
  • C. 99.7%
  • D. None of these<br>
9 Which one of the following shell consists of three subshells?<br>
  • A. K- shell<br>
  • B. M-Shell <br>
  • C. L-shell<br>
  • D. M-shell<br>
10 Which of the following can accommodate 18 electrons?
  • A. K
  • B. L
  • C. M
  • D. N

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Chapterwise Lists

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    Rao Abdul Quddous Ahmed

    03 Feb 2020

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    13 Feb 2020

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