State two ways to prevent the rusting of iron.

Name the main ore of iron.

State two uses of a potentiometer.

State whether the following statements are true or false: For rusting of iron to take place both oxygen and water are essential.

Name chief ore of iron.

State whether the following statesments are true or false : Rusting of iron is an oxidation reaction.

What is corrosion? Give two measures for the prevention of corrosions of metals.

State two factors on which the sensitivity of a moving coil galvanometer depends.

State whether the following statesments are true or false : Corrosion of iron is commonly known as rusting of iron.

Why does an alkaline medium inhibite the rusting of iron?

Give reason why does an alkaline medium inhibit the rusting of iron?