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Question
Define the following term:
Efflorescence
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Solution
It is the phenomenon by which hydrated salts, on exposure to dry air, lose their water of crystallization and crumble to powder.
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The property by which certain hydrated salts, when left exposed to the atmosphere, lose their water of crystallization and crumble into powder.
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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:
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