Question

Please answer it fast . it's very urgent.
Find the odd one out and give reason.
a) Hydrogen, silver, oxygen, phosphorus, sulphur, water.

b) Ammonium ion, Sulphate ion, Chloride ion, Phosphate ion.

c) iron, copper, chromium, silicon.

d) oxide, iodide, bromide, chloride.​

Answer 1

Answer:

b) is odd one out because these all are ions

Answer 2

Answer:

silver Iss the odd because It is solid