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प्रश्न
Give four substances which contain water of crystallization and write their common names.
उत्तर
|
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 |
APPEARS IN
संबंधित प्रश्न
Define efflorescence.
Give reason for the following:
Sodium hydrogen sulphate is not an acid but it dissolves in water to give hydrogen ions, according to the equation
\[\ce{NaHSO4 <=> H+ + Na+ + SO^2-_4}\]
State whether a sample of the following would increase or decrease in a mass if exposed to air.
Iron (III) Chloride
Why does common salt get wet during the rainy season?
How can this impurity be removed?
Name a substance which changes the blue colour of copper sulphate crystals to white.
Name two crystalline substances which do not contain water of crystallization.
List the properties of salts.
Answer the question below:
By what means, other than heating, could you dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate?
State your observation when the following is exposed to the atmosphere.
Iron (III) chloride salts
