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प्रश्न
Answer the questions below relating your answers only to salts in the following list: Sodium chloride, anhydrous calcium chloride, copper sulphate-5-water?
- What name is given to the water in the compound copper sulphate-5-water?
- If copper sulphate-5-water is heated, anhydrous coppersulphate is formed. What is its colour?
- By what means, other than healing, could you dehydrate copper sulphate-5-water and obtain anhydrous coppersulphate?
- Which one of the salts in the given list is deliquescent?
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उत्तर
- Water of crystallization
- White
- By heating with any dehydrating agent
- Anhydrous calcium chloride
संबंधित प्रश्न
Why is sodium chloride required in our body?
Name the salt which is used as a preservative in pickles, and in curing meat and fish.
Why is the electrolysis of a concentrated solution of sodium chloride known as chlor-alkali process?
The aqueous solution of one of the following salts will turn phenolphthalein indicator pink. This salt is:
Give one example of a salt which gives an aqueous solution having:
pH equal to 7
Name a salts whose solubility increases with temperature.
Name the particles present in :
Strong electrolyte
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 |
Identify the following substance:
Gas C has an offensive smell like rotten eggs.
One of the constituents of baking powder is sodium hydrogencarbonate. The other constituent is :
