Solution Mastry

Welcome to your Class XII – Chapter-1-Solutions

1.

Q1.A solution is defined as a:

(a) homogeneous mixture of two or more substances

(b)heterogeneous mixture of two or more substances

(c) homogeneous mixture of liquid and solid components only

(d) homogeneous mixture. consisting of water as one of the components

2.

Q2.Ideal solution is formed when its components:

(a) have zero heat of mixing only

(b) have zero volume change on mixing only

( c) have zero heat of mixing and Zero volume change

(d) can be converted into gases

3.

Q3. Solutions which distil without change in composition or temperature are called:

(a) amorphous

(b) azeotropic mixture

( c) supersaturated

(d) ideal

4.

Q4. Azeotropic mixtures are:

(a) mixture of two solids

(b) those which boil at different temperatures

(c) those which can be fractionally distilled

(d) constant boiling mixtures

5.

Q5.The solubility of a gas in liquid increases with:

(a)increase in temperature

(b)reduction of gas pressure

(c) decrease in temperature and increase of gas pressure

(d) amount of liquid taken