A sulphate salt of group 2 element of the periodic table is a white, s

1.	A sulphate salt of group 2 element of the periodic table is a white, soft substance, which can be used in false ceiling. When it is left open it becomes a hard, solid mass.(a) Why does it show such behaviour?(b) Identify the sulphate salt and give another use of it.(c) Give reasons foe the preparation of the same.
Answer» Answer:a it is deliquescent which MEANS that it absorbs and doesnot FORM a solution but a solutewhich is hard. b This is SODIUM sulphate which is used in some chemical reactions LIKE making liquid soap c I inda don't understand your last QN maybe rewrite it Explanation:

A sulphate salt of group 2 element of the periodic table is a white, soft substance, which can be used in false ceiling. When it is left open it becomes a hard, solid mass.(a) Why does it show such behaviour?(b) Identify the sulphate salt and give another use of it.(c) Give reasons foe the preparation of the same.

Answer»

Answer:a it is deliquescent which MEANS that it absorbs and doesnot FORM a solution but a solutewhich is hard.

b This is SODIUM sulphate

which is used in some chemical reactions LIKE making liquid soap

c I inda don't understand your last QN maybe rewrite it

Explanation: