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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
State what would you observe when Washing Soda Crystals are exposed to the atmosphere
Give one word or a phrase:
The property by which certain hydrated salts, when left exposed to atmosphere, lose their water of crystallization and crumble into powder.
Write a balanced equation for the preparation of the following salt:
Zinc carbonate from zinc sulphate.
Write the names, formulae and colours of any two hydrated salts.
How many molecules of water of crystallisation (per formula unit) are present in:
Copper sulphate crystals
Name a salt whose solubility decreases with temperature.
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 two carbonates which do not produce carbon dioxide on heating.
Sodium carbonate is a basic salt because it is a salt of a ____________.
Many salts absorb water from the atmosphere. This property is called:
