THERE ARE 2 WIRES CALLED LEADS ATTACHED TO THE LED.One lead is slightly longer than the other.

6.Does the compass needle show deflection of tap water

7.Lemon juice is --------------conductor

8 .Milk is a -------------conductor.

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

10.The liquids that conduct electricity are solutions of acids,bases and salts in water

Which is a better conductor of electricity?

Which of these is used for detecting weak electric current passing through a liquid?

We can also detect weak electric current flowing through a liquid by using a

Distilled water does not conduct electricity

Distilled water becomes a good conductor of electricity on dissolving

The process of depositing a layer of any desired metal on another metal by means of electricity is called?

Properties of chromium include:

Tins cans used for storing food are made by

Iron is used in bridges and automobiles to provide strength, however, iron tends to corrode and rust, so a coating of _____ is deposited on iron to protect it from corrosion and formation of rust.

For electroplating an iron object with copper metal, a copper plate is made _______