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प्रश्न
Give four substances which contain water of crystallization and write their common name.
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उत्तर
(i) Na2CO3.10H2O = Washing soda
(ii) MgSO4.7H2O = Epsom salt
(iii) CuSO4.5H2O = Blue vitriol
(iv) ZnSO4.7H2O = White vitriol
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संबंधित प्रश्न
The salt prepared by the method of direct combination is _______.
Name a salt whose solubility decreases with temperature.
name two salts which are acidic.
name two salts which are neutral, when dissolved in water.
Define the following term:
Hygroscopy
What is deliquescence? What name is given to the compounds exhibiting such property?
Answer the following questions below, relating your answers only to salts in the following list:
Sodium chloride, anhydrous calcium chloride, copper sulphate-5-water.
(i) What is the name given to the water in the compound copper sulphate-5-water?
(ii) If copper sulphate-5-water is heated, the water is driven off leaving anhydrous copper sulphate. What is the colour of anhydrous copper sulphate?
(iii) By what means, other than heating, you can dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate?
(iv) Which one of the salts in the given list is deliquescent?
Name the anion present in the following compound:
Compound A, when warmed with concentrated sulphuric acid, gives a gas which fumes in moist air and which gives dense white fumes with ammonia.
Sodium carbonate is a basic salt because it is a salt of a ____________.
A salt that is formed by the complete neutralization of an acid and a base is called ______ salt.
