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प्रश्न
Match the following
| 1. | Soap | C6H5 OH |
| 2. | Cement | CaSO4.2H2O |
| 3. | Fertilizers | NaOH |
| 4. | Gypsum | RCC |
| 5. | Phenol | NPK |
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उत्तर
| 1. | Soap | NaOH |
| 2. | Cement | RCC |
| 3. | Fertilizers | NPK |
| 4. | Gypsum | CaSO4.2H2O |
| 5. | Phenol | C6H5 OH |
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संबंधित प्रश्न
______ is better than soap for washing clothes when the water is hard.
Give reasons for the following observation:
Use of synthetic detergents causes pollution of water.
Explain the process of preparation of soap in laboratory.
How is soap made? Write a word equation involved in soap making.
The soap molecule has a ______.
A student takes 4 mL of distilled water in each of four test tubes I, II, III and IV, and then dissolves an equal amount of four different salts namely NaCl in I, CaCl2 in II, MgCl2 in III and KCl in IV. He then adds 8 drops of the given soap solution to each test tube and shakes the contents of the test tube 10 times. In which test tubes will enough lather (foam) be formed ?
(A) I and II
(B) II and III
(C) I and IV
(D) III and IV
Soaps were originally made from ______.
We are using ______ to remove strong stains on the clothes.
______ to remove strong strains on the clothes.
What are the similarities between Soap and synthetic detergent.
