Question

B) FIND ODD ONE OUT .GIVE REASON ALSO. (M-05)
a) O, H, CI, O2-
b) Melting, vaporization,sieving ,freezing. c) Helium, argon, xenon, polonium.
d) Hydrogen, silicon, bromine, gold. e) Magnetization of ion , fermentation, burning , respiration.​

Answer 1

Answer:

a) O2 because it is molecule of oxygen while others are atoms

b) freezing, because all three of them are related with heat

Answer 2

Answer:

1- Cl

because it is not gas

2-sisving

because it is method of differentiating

3- Hydrogen

because rest all are metals

4-respiration

because it is a part of human activity