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Question
Give four substances which contain water of crystallization and write their common names.
Solution
|
Common name |
Chemical name |
Formula |
|
Washing soda |
Sodium carbonate decahydrate |
Na2CO3.10H2O |
|
Epsom salt |
Magnesium sulphate heptahydrate |
MgSO4.7H2O |
|
Potash alum |
Hydrated potassium aluminium sulphate |
K2SO4.Al(SO4)3.24H2O |
|
Gypsum |
Hydrated calcium sulphate |
CaSO4.2H2O |
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