Advertisements
Advertisements
प्रश्न
State one advantage of soaps over detergent.
उत्तर
Advantage of soaps over detergents:
Soaps are biodegradable; therefore, they don't cause water pollution, while a few detergents are not biodegradable, thereby pollute water bodies like rivers and lakes.
APPEARS IN
संबंधित प्रश्न
Distinguish between esterfication and saponification reaction with the help of the chemical equations for each.
Explain esterification reaction with the help of a chemical equation. Describe an activity to show esterification.
Fill in the following blank with suitable word:
............. is better than soap for washing clothes when the water is hard.
What is a soap? Name one soap.
The chemical which is not required for the preparation of soap in the laboratory is:
(a) vegetable oil
(b) baking soda
(c) caustic soda
(d) common salt
Consider the following oils :
(I) Mobil oil
(II) Castor oil
(III) Turpentine oil
(IV) Kerosene
(V) Mustard oil
(VI) Coconut oil
Which of these can be used for prepartion of soap?
(a) I, II, III, VI
(b) II, V, VI
(c) II, III, V, VI
(d) II, III, VI
Differentiate between:
Detergents and Soaps.
Match the following
| 1. | Soap | C6H5 OH |
| 2. | Cement | CaSO4.2H2O |
| 3. | Fertilizers | NaOH |
| 4. | Gypsum | RCC |
| 5. | Phenol | NPK |
Soaps are ester of which type of acids?
______ are substances which can undergo chemical changes to produce certain materials.
