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प्रश्न
State what would you observe when Washing Soda Crystals are exposed to the atmosphere
उत्तर
When exposed to the atmosphere, it becomes a monohydrate.
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संबंधित प्रश्न
From the list of the following salts choose the salt that most appropriately fits the
description is given in the following:
[AgCl, MgCl2, NaHSO4, PbCO3, ZnCO3, KNO3, Ca(NO3)2]
On heating this salt, a brown colored gas is evolved.
Name three chemicals made from common salt (or sodium chloride).
Fill in the following blank:
Common salt is obtained from sea-water by the process of.............
The aqueous solution of one of the following salts will turn red litmus to blue. This salt is:
(a) potassium sulphate
(b) sodium sulphate
(c) sodium chloride
(d) potassium carbonate
Write the name and formula of one salt each which contains:
five molecules of water of crystallisation
Answer the questions below relating your answers only to salts in the following list: Sodium chloride, anhydrous calcium chloride, copper sulphate-5-water?
- What name is given to the water in the compound copper sulphate-5-water?
- If copper sulphate-5-water is heated, anhydrous coppersulphate is formed. What is its colour?
- By what means, other than healing, could you dehydrate copper sulphate-5-water and obtain anhydrous coppersulphate?
- Which one of the salts in the given list is deliquescent?
Name A colourless gas which bleaches.
Distinguish by a chemical test, Sodium carbonate and sodium sulphite.
One of the constituents of baking powder is sodium hydrogencarbonate. The other constituent is :
How is normal salt obtained? Give a suitable reaction.
