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प्रश्न
Taking sodium carbonate as an example, give the meaning of the following terms:
Water of crystallization
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उत्तर
It is the fixed amount of water that is present in a crystal as an integral pat of its constitution. Compounds having water of crystallization are called hydrous salts.
For example: Sodium carbonate Na2CO3 has 10 molecules of water present as water of crystallization Na2CO3.10H2O
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संबंधित प्रश्न
Identify the substance underlined, in the following case
A solid formed by reaction of two gases, one of which is acidic and the other basic in nature
What name is given to the common salt which is mined from underground deposits? How was this salt formed?
What happens when a concentrated solution of sodium chloride (brine) is electrolysed? Write the equation of the reaction involved.
Give the names and formulae of any two salts. Also name the acids and bases from which these salts may be obtained.
The products of chloro-alkali process are ______.
The aqueous solution of one of the following salts will turn phenolphthalein indicator pink. This salt is:
A salt is dissolved in water and the pH of this salt solution is measured with a universal indicator paper. If the pH of solution is less than 7, the salt is most likely to be ______.
Define the following term:
Hygroscopy
Copy and complete the following table which refers to the action of heat on some carbonates:
| Carbonate | Colour of residue on cooling |
| Zinc Carbonate | |
| Lead carbonate | |
| Copper carbonate |
How is normal salt obtained? Give a suitable reaction.
