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What is the effect of heat on the follow...

What is the effect of heat on the following compounds?
a. Magnesium chloride hexahydrate
b. Gypsum
c. Magnesium sulphate heptahydrate

Text Solution

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a. `MgCl_(2).6H_(2)Ooverset(Delta)(to) Mg(OH)Cl+HCl+5H_(2)O`
(b)`CaSO_(4).2H_(2)Ooverset(120^(@)C)(to)CaSO_(4)1/2H_(2)O+3/2H_(2)O` (plaster of paris)
(c)`MgSO_(4).7H_(2)Ooverset(473K)(to)MgSO_(4)+7H_(2)O`
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