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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 Br2 + H2S __ 2HBr + S, which one is oxidizing agent:
  • A. H2S
  • B. Br2
  • C. S
  • D. 2HBr
2 Which one is strong electrolyte ?
  • A. NH4OH
  • B. NaOH
  • C. a & b
  • D. Nil
3 The branch of chemistry which deals with inter conversion of electrical & chemical energy is:
  • A. Biochemistry
  • B. Electrochemistry
  • C. Organic chemistry
  • D. None of these
4 The oxidation number of chromium in K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub> is:<br>
  • A. +2<br>
  • B. +6<br>
  • C. +7<br>
  • D. +14<br>
5 Metals are covered by using.
  • A. Baeyer's test
  • B. Bohr's
  • C. Electrolysis
  • D. None
6 The cathode of Nelson's cell is made up of
  • A. C
  • B. Zn
  • C. Cu
  • D. Fe
7 ____________ are good conductors of electricity.
  • A. Covalent compound
  • B. Metals
  • C. Both
  • D. None of these
8 Spontaneous chemical reactions take place in:<br>
  • A. electrolytic cell <br>
  • B. Galvanic cell <br>
  • C. Nelson' s cell <br>
  • D. downs cell <br>
9 Gases produced in Nelson's cell are:<br>
  • A. H<sub>2</sub> and O<sub>2</sub>
  • B. H<sub>2</sub> and CI<sub>2</sub><br>
  • C. H<sub>2</sub> and N<sub>2</sub><br>
  • D. CI<sub>2</sub> and O<sub>2</sub><br>
10 The metallic plates through which electrons enters and leaves electrolytes:
  • A. Wires
  • B. Electrodes
  • C. Both
  • D. Nil

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

F

Fareeha Imran

Lahore14 - Oct - 2023

12/12
01 Mins 36 Sec
M

M Hamid Hamid Ali

Lahore18 - Nov - 2023

11/12
04 Mins 01 Sec
M

Muhammad Iftikhar

Lahore04 - Oct - 2023

10/12
01 Mins 44 Sec
U

Usman

Lahore22 - Oct - 2023

10/12
01 Mins 48 Sec
M

Mohammad Khan

Lahore24 - Oct - 2023

10/12
02 Mins 05 Sec
A

Abdul Khanan

Lahore19 - Nov - 2023

10/12
02 Mins 51 Sec
U

Usman

Lahore22 - Oct - 2023

10/12
02 Mins 53 Sec
A

Amjad Iqbal

Lahore15 - Oct - 2023

10/12
02 Mins 55 Sec
U

Usman

Lahore22 - Oct - 2023

10/12
03 Mins 06 Sec
A

Amma Ji

Lahore21 - Sep - 2023

9/12
01 Mins 18 Sec
E

Eren Yeager

Lahore22 - Sep - 2023

9/12
01 Mins 19 Sec
H

Hasnain Khan

Lahore10 - Sep - 2023

9/12
02 Mins
S

Sidra Imran

Lahore15 - Nov - 2023

9/12
02 Mins 03 Sec
H

Huzaifa

Lahore13 - Nov - 2023

9/12
02 Mins 07 Sec
S

Shafait Shah Shafait Shah

Lahore13 - Sep - 2023

9/12
02 Mins 31 Sec

Chapterwise Lists

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