Question

(1) The components of water can be separated by :-

a) Physical methods

b) Chemical methods

c) Both (a) & (b)

d) They can't be separated.


(2) According to the definition of pure substance, which of the following is a pure substance?

a) Ice

b) Mercury

c) Iron

d) All of these.


(3) Mixture can be:-

a) Homogenous

b) Heterogeneous

c) Both (a) & (b)

d) Pure substances.​

Answer 1

Answer:

both a and b

ice

heterogeneous