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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 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 In peroxides, the oxidation no. of O is
  • A. +1
  • B. -1
  • C. +3
  • D. -3
3 In silver plating Anode is made of:
  • A. Gold
  • B. Ag
  • C. Neon
  • D. Nil
4 ____________ are good conductors of electricity.
  • A. Covalent compound
  • B. Metals
  • C. Both
  • D. None of these
5 ____________ do not conduct electricity.
  • A. Electrolyte
  • B. Non-electrolyte
  • C. Both
  • D. Nil
6 Electrolyte is ____________ solid form.
  • A. in
  • B. Sometimes in
  • C. Never in
  • D. Always in
7 Br2 + H2S __ 2HBr + S, which one is oxidizing agent:
  • A. H2S
  • B. Br2
  • C. S
  • D. 2HBr
8 ____________ cell is made of two half of cells.
  • A. Zinc cell
  • B. Galvanic
  • C. Both
  • D. All
9 The metallic plates through which electrons enters and leaves electrolytes:
  • A. Wires
  • B. Electrodes
  • C. Both
  • D. Nil
10 NaOH is prepared by ____________ of NaCL (aqueous).
  • A. Electrolysis
  • B. Decomposition
  • C. A &amp; B
  • D. Nil

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Chapterwise Lists

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