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8th Karnataka Board
IMPORTANT
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When electricity is passed through water

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Important Questions on Chemical Effects of Electric Current

MEDIUM
8th Karnataka Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 4
An electrode connected to the negative terminal of a battery is called _____.
MEDIUM
8th Karnataka Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 5
Which of the following metals are produced by the electrolysis of their molten compounds? 
A. Copper
B. Silver
C. Aluminium
D. Sodium 
EASY
8th Karnataka Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 6
Electric current can pass through all liquids.
MEDIUM
8th Karnataka Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 7
Honey is capable of forming ions within it.
MEDIUM
8th Karnataka Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 8

Vinegar _____ (can/ cannot) conduct electricity.

EASY
8th Karnataka Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 9
The presence of a small amount of impurities makes water 
EASY
8th Karnataka Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 10
Which of the following is not responsible for copper to be used as electrical conduction wires?
MEDIUM
8th Karnataka Board
IMPORTANT
Science Crash Course (Based on Revised Syllabus-2023)>Chapter 14 - Chemical Effects of Electric Current>Exercise>Q 11
Write the full form of LED.