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 one of the following is not an electrolyte?<br>
  • A. sugar solution<br>
  • B. sulphuric acid solution<br>
  • C. Lime solution<br>
  • D. Sodium chloride solution<br>
2 Copper extracted from its ore is ____________ % pure.
  • A. 98%
  • B. 99%
  • C. 96%
  • D. Nil
3 Br2 + H2S __ 2HBr + S, which one is oxidizing agent:
  • A. H2S
  • B. Br2
  • C. S
  • D. 2HBr
4 It is a strong electrolyte
  • A. H2O
  • B. CH3COOH
  • C. NaOH
  • D. C6H6
5 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
6 Addition of OXYGEN is called.
  • A. Reduction
  • B. Conduction
  • C. Oxidation
  • D. Nil
7 ____________ is prevented by Metallic coating.
  • A. NaCl
  • B. Rust
  • C. All
  • D. None of these
8 Cu + 2AgNO3 -------&gt; Cu(NO3) +2Ag. In this reaction reducing agent is:
  • A. Cu
  • B. AgNO3
  • C. Cu(NO3)2
  • D. Ag
9 Brine is an aqueous solution of
  • A. NaCI
  • B. NaOH
  • C. AgNO3
  • D. CaO
10 In metal hydrides, the oxidation number of hydrogen is
  • A. +1
  • B. -1
  • C. +2
  • D. -2

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Chapterwise Lists

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