The metal which is not corroded by air, water and acids is
Copper
Zinc
Aluminium
Gold
D.
Gold
The metal which reacts with water only when it is red hot and steam is passed over it, is
Iron
Calcium
Sodium
Magnesium
A.
Iron
The metal which is stored in kerosene is
Phosphorus
Magnesium
Sodium
Zinc
C.
Sodium