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प्रश्न
What is deliquescence? What name is given to the compounds exhibiting such property?
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उत्तर
Deliquescence is the phenomenon by which certain salts absorb moisture from air, lose their water of crystallization and dissolve in it to form a saturated solution.
The substances which exhibit deliquescence are called deliquescent.
For example : Caustic soda NaOH, Caustic potash KOH.
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संबंधित प्रश्न
What are the two main ways in which common salt (sodium chloride) occurs in nature?
Name the major salt present in sea-water.
Write the names, formulae and colours of any two hydrated salts.
name two salts which are acidic.
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Taking sodium carbonate as an example, give the meaning of the following terms:
Anhydrous
Identify the following substance:
Gas C has an offensive smell like rotten eggs.
How is normal salt obtained? Give a suitable reaction.
Name the salt formed when sulphuric acid is added to sodium hydroxide and write its pH.
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
