Question

Which of the following is an insulator


Select one:
a. Tap water
b. Moist air
c. Silver
d. Pure water

Answer 1

Answer:

tap is the answer water hop it helps

Answer 2

Answer:

d. Pure water

Explanation:

Because there are no mineral salts found in pure water, that is why it is a insulator of electricity.

Whereas other types of water contain naturally occurring mineral salts, that why they are conductors of electricity.

Moist air have a quantity of water which is not pure, so it can be conductor, if it have a big amount of water.

Silver is a metal, and it is a very good conductor of electricity.

so the answer is pure water.

hope it helps.