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7th Chapter

9th class Chemistry Chapter 7 (English Medium)

Here you can prepare 9th Chemistry English Medium Chapter 7 (Electrochemistry) Test. Click the button for 100% free full practice test.

Matric Part 1/9th Class Chemistry Chapter 7 MCQ Test With Answer for Chapter 7 Electrochemistry

Matric Part 1/9th Class Chemistry Chapter 7 MCQ Test With Answer for Chapter 7 Electrochemistry

Sr. # Questions Answers Choice
1 Which is used for industrial manufacture of NaCI?
  • A. Daniel cell
  • B. Down's cell
  • C. Nelson's cell
  • D. None of these
2 In silver plating Anode is made of:
  • A. Gold
  • B. Ag
  • C. Neon
  • D. Nil
3 The cathode of Nelson's cell is made up of
  • A. C
  • B. Zn
  • C. Cu
  • D. Fe
4 During the formation of water from hydrogen and oxygen, which of the following does not occur?<br>
  • A. Hydrogen has oxidized<br>
  • B. oxygen has reduced<br>
  • C. oxygen gains electrons<br>
  • D. hydrogen behaves as oxidizing agent<br>
5 ____________ is prevented by Metallic coating.
  • A. NaCl
  • B. Rust
  • C. All
  • D. None of these
6 Br2 + H2S __ 2HBr + S, which one is oxidizing agent:
  • A. H2S
  • B. Br2
  • C. S
  • D. 2HBr
7 Which one of the following is not an electrolytic cell:<br>
  • A. Down cell<br>
  • B. Galvanic cell <br>
  • C. Nelson' cell <br>
  • D. Both a and c<br>
8 Copper extracted from its ore is ____________ % pure.
  • A. 98%
  • B. 99%
  • C. 96%
  • D. Nil
9 It is a strong electrolyte
  • A. H2O
  • B. CH3COOH
  • C. NaOH
  • D. C6H6
10 Formation of water form hydrogen and oxygen is:<br>
  • A. Redox reaction<br>
  • B. Acid-base reaction <br>
  • C. Neutralization<br>
  • D. Decomposition<br>

Top Scorers of 9th Class Chemistry Chapter 7 Electrochemistry English Medium KPK Boards Online Test

S

Shahid Khan

Lahore03 - Sep - 2022

12/12
48 Sec
S

Safoora Javed

Lahore25 - Sep - 2022

11/12
02 Mins 46 Sec
W

Wajeeha Usman

Lahore21 - Aug - 2022

10/12
01 Mins 45 Sec
F

Forex Star

Lahore30 - Jun - 2022

9/12
02 Mins 21 Sec
A

Abdul Haseeb

Lahore18 - Sep - 2022

8/12
56 Sec
A

Abdul Haseeb

Lahore18 - Sep - 2022

7/12
01 Mins 02 Sec
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Raishma Afsar

Lahore19 - Jul - 2022

7/12
07 Mins 05 Sec
F

Forex Star

Lahore30 - Jun - 2022

6/12
02 Mins 45 Sec
A

Aqsa

Lahore07 - Sep - 2022

6/12
07 Mins 03 Sec

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