Question

Explain why distilled water does not conduct electricity but tap water conducts some electricity.

Answer 1

Distilled water does not conduct electricity but tap water conducts electricity due to the presence of ions. Ions help in conducting electricity.

Answer 2

Distilled water is a water that was boiled to steam and recondensed to water. So distilled water is relatively pure H2O. Water can ionised to H+ and OH- like salt does, but it ionises to a far lessee degree and is very redistance to conduct electricity.
Tap water has salt in it like NaCl, which readily ionizes or dissociates to ions of Na+ and Cl- that can floats through the water carrying charge and thus conduct electricity.
So tap water conducts some electricity bt distilled water can't.
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