EASY
8th CBSE
IMPORTANT
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Some liquids are good conductors of electricity and some are poor conductors.

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Important Questions on Chemical Effects of Electric Current

EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Practice>Q 5
Distilled water conducts electric current.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Practice>Q 6
Electric bulb glows due to the chemical effect of electricity.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Practice>Q 7
Most liquids that conduct electricity are solutions of acids, bases and salts.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Practice>Q 8
The passage of an electric current through a conducting liquid causes a chemical reaction.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Practice>Q 9
During electroplating, the object to be electroplated is made anode.
MEDIUM
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Practice>Q 10
The chemical effect of current is used in purification of salts.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Practice>Q 11
The chemical reaction brought about by an electric current may produce changes in the colour.
EASY
8th CBSE
IMPORTANT
All in One - SCIENCE CBSE Class 8>Chapter 14 - Chemical Effects of Electric Current>Chapter Practice>Q 1

Match the column 1 with column 2

Column 1 Column 2
(a) Insulator (i) Electric circuit 
(b) conductor (ii) Conduct current
(c) closed path (iii) Prevents rusting

(d) Solution of distilled water and salt

 (iv) Rubber
(e) Electroplating (v) Copper