Identify the following
A - A non-metallic lubricant
B - A metal which does not react with water but reacts with steam
C - A metal which is constituent of baking powder
D - a non-metal used in fire crackers
A, B, C, D respectively are
1
Phosphorus, Zinc, Sodium, Sulphur
2
Carbon, Copper, Sodium, Phosphorus
3
Carbon, Copper, Calcium, Sulphur
4
Phosphorus, Copper, Calcium, Sulphur