EASY
8th CBSE
IMPORTANT
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In an electrolytic cell, the electrode connected to the positive terminal of the battery is called the _____.

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Important Questions on Unit Test Paper-5

MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 28 - Unit Test Paper-5>Unit Test Paper>Q A

During electrolysis, the positive ions move towards the _____.

EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 28 - Unit Test Paper-5>Unit Test Paper>Q A

The method of coating one metal with another using an electric current is called _____.

EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 28 - Unit Test Paper-5>Unit Test Paper>Q A

Which of these liquids can conduct electricity?

EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 28 - Unit Test Paper-5>Unit Test Paper>Q B
One is more likely to get a shock upon touching an electrical appliance with wet hands than with dry hands.
EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 28 - Unit Test Paper-5>Unit Test Paper>Q B
Most acids and bases dissolve in water are bad conductors of electricity.
EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 28 - Unit Test Paper-5>Unit Test Paper>Q B
Unlike charges repel each other and like charges attract each other.
EASY
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 28 - Unit Test Paper-5>Unit Test Paper>Q B
During the electrolysis of sodium chloride, sodium gas is evolved at the cathode.
MEDIUM
8th CBSE
IMPORTANT
OXFORD New Science In Everyday Life 8>Chapter 28 - Unit Test Paper-5>Unit Test Paper>Q B
Electroplating is a process used to refine metals .