Olympiad Test: Chemical Effects Of Electric Current - 2


15 Questions MCQ Test Science Olympiad Class 8 | Olympiad Test: Chemical Effects Of Electric Current - 2


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This mock test of Olympiad Test: Chemical Effects Of Electric Current - 2 for Class 8 helps you for every Class 8 entrance exam. This contains 15 Multiple Choice Questions for Class 8 Olympiad Test: Chemical Effects Of Electric Current - 2 (mcq) to study with solutions a complete question bank. The solved questions answers in this Olympiad Test: Chemical Effects Of Electric Current - 2 quiz give you a good mix of easy questions and tough questions. Class 8 students definitely take this Olympiad Test: Chemical Effects Of Electric Current - 2 exercise for a better result in the exam. You can find other Olympiad Test: Chemical Effects Of Electric Current - 2 extra questions, long questions & short questions for Class 8 on EduRev as well by searching above.
QUESTION: 1

When electricity is passed through tap water, the gas which evolved are

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QUESTION: 2

An electric current brings about chemical changes in most conducting

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QUESTION: 3

A positively charged body has a ____ of electrons.

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QUESTION: 4

To make an electric current flow, two components are necessary. First is the circuit and the second is

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QUESTION: 5

Which of these is a conductor of electricity?

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QUESTION: 6

Which of these is a conductor of electricity?

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QUESTION: 7

Electroplating is based on the phenomenon of

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QUESTION: 8

A tester is used to test the

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QUESTION: 9

In LED, the shorter lead is attached to ____ terminal and longer lead is attached to the ____ terminal.

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QUESTION: 10

The copper gets deposited on the plate connected to the ____ terminal of the battery.

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QUESTION: 11

The liquid which does not conduct electricity is

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QUESTION: 12

Who invented voltaic cell?

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QUESTION: 13

The flow of electric current, as opposed to conventional current, to be from _____ charged body to the _____ charged body.

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QUESTION: 14

Air, distilled water, plastic, wood, paper, cloth and rubber are the examples of

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QUESTION: 15

Chromium is extensively used in electroplating because

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