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 Gain of electrons in a reaction is called ____________reaction.
  • A. Oxidation
  • B. Reduction
  • C. Both
  • D. Nil
2 CO2 the oxidation number of C =.
  • A. +1
  • B. +2
  • C. +3
  • D. +4
3 By electrolytic refining of copper , it is ____________ % pure.
  • A. 98
  • B. 99
  • C. 99.99
  • D. 100
4 Which is used for industrial manufacture of NaCI?
  • A. Daniel cell
  • B. Down's cell
  • C. Nelson's cell
  • D. None of these
5 Electrolyte is ____________ solid form.
  • A. in
  • B. Sometimes in
  • C. Never in
  • D. Always in
6 Spontaneous chemical reactions take place in:<br>
  • A. electrolytic cell <br>
  • B. Galvanic cell <br>
  • C. Nelson' s cell <br>
  • D. downs cell <br>
7 ____________ is prevented by Metallic coating.
  • A. NaCl
  • B. Rust
  • C. All
  • D. None of these
8 Which one is not a property of electrolytic cell?
  • A. It consists of one complete cell
  • B. Anode has +ve charge
  • C. It converts electrical energy into chemical one
  • D. Anode has -ve charge
9 All electrolytes are:
  • A. Conductor
  • B. Insulator
  • C. Semi conductor
  • D. Nil
10 ____________ are good conductors of electricity.
  • A. Covalent compound
  • B. Metals
  • C. Both
  • D. None of these

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Maryam Sharif

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Aizaz Amir

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Aizaz Amir

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Maria Qureshi

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Chapterwise Lists

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