Chemical Effects of Electric Current Test

Result

Chemical Effects of Electric Current Test - 3

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Weekly Quiz Competition

Question 1
1 / -0

An electric current can produce

A
heating effect only.

B
chemical effect only.

C
magnetic effect only

D
chemical, heating, and magnetic effects.
Question 2
1 / -0

Boojho’s uncle has set up an electroplating factory near his village. He should dispose off the waste of the factory

A
in the nearby river.

B
in the nearby pond.

C
in the nearby cornfield.

D
according to the disposal guidelines of the local authority.
Question 3
1 / -0

When electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates

A
the chemical effect of current.

B
the heating effect of current.

C
the magnetic effect of current.

D
the lightning effect of current.
Question 4
1 / -0

Which one of the following solutions will not conduct electricity?

A
Lemon juice

B
Vinegar

C
Tap water

D
Vegetable oil
Question 5
1 / -0

Which of the following metals is used in electroplating to make objects appear shining?

A
Iron

B
Copper

C
Chromium

D
Aluminium