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प्रश्न
What are the uses of bases?
थोडक्यात उत्तर
उत्तर
- Potassium hydroxide is used to make bathing soaps.
- Sodium hydroxide is used to make washing soaps.
- Sodium hydroxide is also used in paper industries, textile industries, and in the preparation of medicines.
- Calcium hydroxide is used for white washing.
- Aluminum hydroxide and magnesium hydroxides are used in antacids to cure acidity problems.
- Ammonium hydroxide is used to manufacture fertilizers, nylon, plastics, and rubber.
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संबंधित प्रश्न
Write any four physical properties of base.
Alkalis are ____________.
Sodium carbonate is a basic salt because it is a salt of
When zinc metal is treated with a dilute solution of a strong acid, a gas is evolved which is utilised in the hydrogenation of oils. Name the gas evolved. Write the chemical equation of the reaction involved and also write a test to detect the gas formed.
The common salt is ______.
Match the following:
| 1. | Sodium chloride | a. | Detergents |
| 2. | Sodium carbonate | b. | Purification of water |
| 3. | Sodium bicarbonate | c. | Taste to food |
| 4. | Potash alum | d. | Antacids |
Assertion: A salt is produced when an acid is neutralized by a base.
Reason: A salt can be acidic, basic, or neutral.
Write the chemical equation for the reaction of bases with metal oxides.
What is Potash alum? Write its formula.
Write notes on the properties of bases.
