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प्रश्न
State one relevant observation for the following:
Anhydrous calcium chloride is exposed to air for some time.
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उत्तर
It absorbs moisture from the atmosphere, dissolves in it and changes into a solution. This property is known as deliquescence
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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 gives a yellow residue when hot and white when cold
Name the salt which is used as a preservative in pickles, and in curing meat and fish.
A salt X when dissolved in distilled water gives a clear solution which turns red litmus blue. Explain the phenomenon.
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
State what would you observe when :
The salt ferric chloride is exposed to the atmosphere.
Write any five uses of salts.
Acids react with metallic oxides to produce ______.
Salt is ______ in nature.
An aqueous solution of a salt turns blue litmus to red. The salt could be the one obtained by the reaction of ______.
You are provided with the list of chemicals mentioned below in the box:
| Sodium hydroxide solution, copper carbonate, zinc, hydrochloric acid, copper, dilute sulphuric acid, chlorine, iron |
Using suitable chemicals from the list given, write a balanced chemical equation for the preparation of the salt mentioned below:
Copper sulphate
