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प्रश्न
How many molecules of water of crystallisation (per formula unit) are present in:
copper sulphate crystals?
उत्तर
Copper sulphate crystals contain five molecules of crystallisation in one formula unit. The chemical formula is CuSO4.5H2O (copper sulphate pentahydrate) .
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संबंधित प्रश्न
Identify the substance underlined, in the following case
A solid formed by reaction of two gases, one of which is acidic and the other basic in nature
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Name three chemicals made from common salt (or sodium chloride).
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The aqueous solution of one of the following salts will turn phenolphthalein indicator pink. This salt is:
(a) KCl
(b) K2SO4
(c) K2CO3
(d) KNO3
P and Q are aqueous solutions of sodium chloride and sodium hydroxide, respectively. Which of these will turn:
red litmus blue?
Taking sodium carbonate as an example, give the meaning of the following terms: Water of crystallization.
Name A colourless gas which bleaches.
Identify the following substance:
Gas C has an offensive smell like rotten eggs.
How is normal salt obtained? Give a suitable reaction.
