Question

1. which property is observed in an emulsion ?

(1) tyndall effect
(2) Brownian
(3) both (1) and (2)
(4) none of these

2. which of the following is not a compound ?
(1) sugar
(2) common Salt
(3) brass
(4) plaster of Paris

3. select the odd one .
(1) hydrogen
(2) oxygen
(3) steam
(4) chlorine ​

Answer 1

Answer:

1. --3

2.--3

3.--3.

Explanation:

1. both tyndall effect and brownian is observed as milk is also an liquid and every liquid shows brownian motion.

2.brass is not an compound as brass is made up of only one kind of atom

3.steam is odd one as other three are gases and steam is not a gas , it is water vapour(form of water)