Question 47.A sulphate salt of group 2 element of the periodic table is a white, soft substance, which can be moulded into different shapes by making its dough. When this compound is left in the open for some time, it becomes a solid mass and cannot be used for moulding purposes.Identify the sulphate salt and why does it show such a behaviour ?Write down the reaction involved.

Question 47.A sulphate salt of group 2 element of the periodic table i

1.	Question 47.A sulphate salt of group 2 element of the periodic table is a white, soft substance, which can be moulded into different shapes by making its dough. When this compound is left in the open for some time, it becomes a solid mass and cannot be used for moulding purposes.Identify the sulphate salt and why does it show such a behaviour ?Write down the reaction involved.
Answer» Question 47. A sulphate salt of group 2 element of the periodic table is a white, soft substance, which can be moulded into different shapes by making its dough. When this compound is left in the open for some time, it becomes a solid mass and cannot be used for moulding purposes. Identify the sulphate salt and why does it show such a behaviour ? Write down the reaction involved.

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