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प्रश्न
Differentiate hydrate and anhydrous salts with examples.
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उत्तर
| Property | Hydrate Salts | Anhydrous Salt |
| Definition | Salts that contain water molecules as part of their crystal structure. | Salts that do not contain water molecules in their structure. |
| Water Content | Contain a fixed number of water molecules (water of crystallization). | Do not contain any water molecules. |
| Appearance | Often appear colored and crystalline. | Usually powdery and may appear white or dull. |
| Example | Copper sulphate pentahydrate (\[\ce{CuSO4.5H2O}\]) | Heating of Copper sulphate pentahydrate (\[\ce{CuSO4.5H2O}\]) produce anhydrous copper sulphate (\[\ce{CuSO4}\]) |
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संबंधित प्रश्न
How would you show that blue copper sulphate crystals contain water of crystallisation?
Explain how anhydrous copper sulphate can be used to detect the presence of moisture (water) in a liquid.
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State what would you observe when :
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The Salt Story
From: The New Indian Express 9 March 2021
The salt pans in Marakkanam, a port town about 120 km from Chennai are the third largest producer of salt in Tamil Nadu. Separation of salt from water is a laborious process and the salt obtained is used as raw materials for manufacture of various sodium compounds.
One such compound is Sodium hydrogen carbonate, used in baking, as an antacid and in soda acid fire extinguishers.
The table shows the mass of various compounds obtained when 1litre of sea water is evaporated.
| COMPOUND | FORMULA | MASS OF SOLID PRESENT /g |
| Sodium Chloride | NaCl | 28.0 |
| Magnesium Chloride | MgCl2 | 8.0 |
| Magnesium Sulphate | MgSO4 | 6.0 |
| Calcium Sulphate | CaSO4 | 2.0 |
| Calcium Carbonate | CaCO3 | 1.0 |
| TOTAL AMOUNT OF SALT OBTAINED | 45.0 | |
What is the pH of the acid which is used in the formation of common salt?
Name the salt formed when sulphuric acid is added to sodium hydroxide and write its pH.
Select the correct answer from A, B, C, D and E.
A compound which in the aqueous solution state, is neutral in nature.
