……….. is called blue vitriol.

…………… cell does not have any liquid.

………… is added to increase conductivity of distilled water.

………… is useful to join or break the circuit.

Drinking water is good conductor of electricity due to

…………… spot is seen on the potato around the wire connected to the positive terminal of battery.

Pure water is a ……….

The material which do not allow electric current to pass through it is known as

Electroplating is possible through

One of the following is not an electrolyte