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प्रश्न
Give the names and formulae of any two salts. Also name the acids and bases from which these salts may be obtained.
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उत्तर
The sodium chloride (NaCl) and ammonium chloride (NH4Cl) are the salts. Sodium chloride salt (NaCl) is formed from an acid, hydrochloric acid (HCl), and a base (NaOH). Ammonium chloride (NH4Cl) is formed from an acid, hydrochloric acid (HCl), and a base, ammonium hydroxide (NH4OH).
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संबंधित प्रश्न
Name three chemicals made from common salt (or sodium chloride).
Give any two uses of common salt (sodium chloride).
Complete and balance the following chemical equation:
\[\ce{NaCl_{(aq)} + H2O_{(l)} ->[Electricity]}\]
Explain why chlorine is used for sterilising drinking water supply.
The aqueous solution of one of the following salts will turn red litmus to blue. This salt is:
Write the name and formula of one salt which contains:
Two molecules of water of crystallisation.
Write the name and formula of one salt which contains:
Five molecules of water of crystallisation.
What is a ‘salt’?
Name a salts whose solubility increases with temperature.
Name two salts which are neutral when dissolved in water.
State one observation for each of the following :
Lead nitric is heated strongly in a test tube.
Fill in the blank
___________ is the phenomenon by which hydrated salts on exposure to dry air, lose their water of crystallization and crumble to powder.
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?
Name the anion present in the following compound:
Compound A, when warmed with concentrated sulphuric acid, gives a gas which fumes in moist air and which gives dense white fumes with ammonia.
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 |
Which of the following is not an acidic salt?
One of the constituents of baking powder is sodium hydrogencarbonate. The other constituent is :
A salt that is formed by the complete neutralization of an acid and a base is called ______ salt.
The acid reacts with a base to form a neutral product called ______.
