Water is a compound mixture which is made up of hydrogen and oxygen. It is hard to find water in its pure form even though it is one of the abundant resources on the Earth. Through the process of distillation, pure water is obtained. Pure water is also known as distilled water.
Since pure water does not contain any impurities Ca, Mg, Na and other salts which behave as the charge carriers, there are no ions found, and there is the absence of electrons. Hence pure water does not conduct electricity and is an insulator.
We can conclude that pure water is a good insulator.
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