Question

List out the merits and demerits of detergents, compared to soap.

Answer 1

$\text{Merits of detergent over soap:-}$

1. Unlike soaps, detergent can work in hard water
2. They also have a stronger cleansing action than soap.
3. Detergents may be used in saline or acidic water
4. Detergent is more soluble in water than soap
5. Detergent having linear hydrocarbons chain are biodegradable

$\text{Demerits of detergent over soap:-}$

1. The major disadvantage of detergent is that they are non-biodegradable
2. They cause soil and water pollution
3. Excessive alkalies used in some detergents can damage the fabric.
4. Colour may run out while using a cheaper variety of detergent
5. More amount of water is required for rinsing to remove the foam, otherwise, it will damage the fabric