MEDIUM
8th CBSE
IMPORTANT
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  (Mineral oil /Electrolyte) is a liquid which can conduct electricity.

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Important Questions on Chemical Effects of Electric Current

EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>TRACK YOUR PROGRESS>Q 1
Water in its pure form is a _____ conductor of electricity. (bad/good)
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>TRACK YOUR PROGRESS>Q 1
A _____ contains positively and negatively charged ions (liquid/cathode/ anode).
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>TRACK YOUR PROGRESS>Q 1
Dry wood is a/an _____ . (conductor / insulator)
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>TRACK YOUR PROGRESS>Q 2
The electrolyte undergoes _____ (chemical/magnetic) changes due to the passage of electric current through it.
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>TRACK YOUR PROGRESS>Q 2
The material to be coated with a layer is used as _____.
(Choose from cathode / anode.)
MEDIUM
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>TRACK YOUR PROGRESS>Q 2
_____(Electroplating/Electromagnetic induction) can protect various materials against corrosion.
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q A
Which of the following methods can be used to make distilled water conduct electricity?
EASY
8th CBSE
IMPORTANT
Expanded Universal Science>Chapter 14 - Chemical Effects of Electric Current>ASSESSMENT ZONE>Q A
Which of the following can cause a flow of current through a conductor?