Tag: do liquids conduct electricity?

Questions Related to do liquids conduct electricity?

Which of the following is free of salts?

  1. Distilled water

  2. Sea water

  3. Tap water

  4. All of the above


Correct Option: A
Explanation:

Distilled water is free of salts.

Which of the following is used to detect the current?

  1. Tester

  2. LED

  3. Compass needle

  4. All of the above


Correct Option: D
Explanation:

Tester, LED and compass needle, all of them are used to detect electric current.

Electric circuit provides a complete path for :

  1. solution to flow

  2. metal to flow

  3. neutron to flow

  4. current to flow


Correct Option: D
Explanation:

Electric circuit provides a complete path for current to flow.

Small amounts of mineral salts present naturally in water are :

  1. harmful for human health

  2. not at all useful for humans

  3. beneficial for human health

  4. none of the above


Correct Option: C
Explanation:

Small amounts of mineral salts present naturally in water are beneficial for human health.

Water obtained from which of the following sources is a good conductor of electricity?

  1. Tap

  2. Ponds

  3. Wells

  4. All of the above


Correct Option: D
Explanation:

The water that we get from sources such as taps, hand pumps, wells and ponds is not pure. It may contain several salts dissolved in it. Small amounts of mineral salts are naturally present in it. This water is thus a good conductor of electricity.

Which of the following is a good conductor of electricity?

  1. Sugar solution

  2. Oil

  3. Distilled water

  4. Tap water


Correct Option: D
Explanation:

The water that we get from sources such as taps, hand pumps, wells and ponds is not pure. It may contain several salts dissolved in it. Small amounts of mineral salts are naturally present in it. This water is thus a good conductor of electricity.