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प्रश्न
How can this impurity be removed?
उत्तर
The impurity can be removed by passing a current of dry hydrogen chloride gas through a saturated solution of the affected salt. Pure sodium chloride is produced as a precipitate which can be recovered by filtering and washing first with a little water and finally with alcohol.
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संबंधित प्रश्न
What do you understand by water of crystallization?
Define efflorescence.
Distinguish between drying and dehydrating agent.
Give examples of deliquescence.
Answer the question below:
By what means, other than heating, could you dehydrate copper sulphate-5-water and obtain anhydrous copper sulphate?
Answer the question below:
Name a deliquescent salt.
Answer the question below:
Why hydrated copper sulphate turns white on heating.
Name the salt which on hydrolysis forms basic. Give a balanced equation for the following reaction.
Name the salt which on hydrolysis forms neutral solution. Give a balanced equation for each reaction.
Select the correct answer from A, B, C, D and E.
A deliquescent compound.
