Advantage of soap over detergent : Soap are biodegradable whereas detergents are non-biodegradable. Difference in chemical behaviour of compound of hydrogen with elements of atomic number 17 and 20.

Advantage of soap over detergent : Soap are biodegradable whereas dete

1.	Advantage of soap over detergent : Soap are biodegradable whereas detergents are non-biodegradable. Difference in chemical behaviour of compound of hydrogen with elements of atomic number 17 and 20.
Answer» Solution :a. ATOMIC number 17 = CHLORINE, and atomic number 20 = calcium. b. `H_(2)+CI_(2)to2HCI` `CI_(2)` is OXIDIZING AGENT, `H_(2)` is reducing agent. `Ca+H_(2)toCaH_(2)`