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 Nelson's cells used to prepare caustic soda along with gases. Which of the following gas is produced at cathode?<br>
  • A. CI<sub>2</sub>
  • B. H<sub>2</sub>
  • C. O<sub>3</sub>
  • D. O<sub>2</sub>
2 The formula of rust is:<br>
  • A. Fe<sub>2</sub>O<sub>3</sub>,nH<sub>2</sub>o
  • B. Fe<sub>2</sub>O<sub>3</sub>
  • C. Fe(OH)<sub>3</sub>-nH<sub>2</sub>O<br>
  • D. Fe(OH)<sub>3</sub>
3 ____________ cell is made of two half of cells.
  • A. Zinc cell
  • B. Galvanic
  • C. Both
  • D. All
4 The cathode of Nelson's cell is made up of
  • A. C
  • B. Zn
  • C. Cu
  • D. Fe
5 ____________ do not conduct electricity.
  • A. Electrolyte
  • B. Non-electrolyte
  • C. Both
  • D. Nil
6 ____________ agents gains electrons in chemical reaction.
  • A. Reduction
  • B. Oxidation
  • C. Both
  • D. None of these
7 Copper extracted from its ore is ____________ % pure.
  • A. 98%
  • B. 99%
  • C. 96%
  • D. Nil
8 The branch of chemistry which deals with inter conversion of electrical &amp; chemical energy is:
  • A. Biochemistry
  • B. Electrochemistry
  • C. Organic chemistry
  • D. None of these
9 ____________ are good conductors of electricity.
  • A. Covalent compound
  • B. Metals
  • C. Both
  • D. None of these
10 In silver plating Anode is made of:
  • A. Gold
  • B. Ag
  • C. Neon
  • D. Nil

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

I

Imran Hashmi

Lahore14 - Oct - 2024

12/12
01 Mins 14 Sec
M

Maryam Sharif

Lahore22 - Sep - 2024

12/12
01 Mins 17 Sec
M

Muhammad Amin

Lahore20 - Sep - 2024

12/12
01 Mins 39 Sec
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Maryam Sharif

Lahore22 - Sep - 2024

12/12
02 Mins 09 Sec
M

Maryam Sharif

Lahore22 - Sep - 2024

12/12
03 Mins 41 Sec
M

Muhammad Amin

Lahore20 - Sep - 2024

11/12
01 Mins 21 Sec
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Maria Qureshi

Lahore24 - Sep - 2024

11/12
01 Mins 32 Sec
M

Maryam Sharif

Lahore22 - Sep - 2024

11/12
01 Mins 52 Sec
A

Aizaz Amir

Lahore17 - Oct - 2024

11/12
01 Mins 58 Sec
A

Aizaz Amir

Lahore17 - Oct - 2024

11/12
02 Mins 03 Sec
A

Aizaz Amir

Lahore17 - Oct - 2024

11/12
02 Mins 03 Sec
M

Maria Qureshi

Lahore24 - Sep - 2024

11/12
02 Mins 14 Sec
A

Aizaz Amir

Lahore17 - Oct - 2024

11/12
02 Mins 17 Sec
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Maryam Sharif

Lahore22 - Sep - 2024

11/12
02 Mins 21 Sec
M

Maryam Sharif

Lahore22 - Sep - 2024

11/12
02 Mins 28 Sec

Chapterwise Lists

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