The number of components in a binary solution is _____________

(a)

2

(b)

3

(c)

4

(d)

5

Identify the non aqueous solution.

(a)

sodium chloride in water

(b)

glucose in water

(c)

copper sulphate in water

(d)

sulphur in carbon di sulphide

Solubility of NaCl in 100 ml water is 36 g. If 25 g of salt is dissolved in 100 ml of water how much more salt is required for saturation _____________

(a)

12g

(b)

11g

(c)

16g

(d)

20g

Which of the following is hygroscopic in nature?

(a)

ferric chloride

(b)

copper sulphate pentahydrate

(c)

silica gel

(d)

none of the above

40 g of sodium chloride in 100 g of water at 25⁰ C forms ________ solution.

(a)

Super saturated

(b)

Unsaturated

(c)

Saturated

(d)

Both (a) and (b)

Anhydrous copper sulphate is _______ in colour.

(a)

blue

(b)

bluish green

(c)

colour less

(d)

black

Quick lime is dissolved in water is a ______________ process.

(a)

exothermic

(b)

endothermic

(c)

reversible

(d)

both (a) and (b)

Non-aqueous solvent is ____________

(a)

benzene

(b)

ether

(c)

CS₂

(d)

All the above

An example for a solution containing liquid solute in gas solvent is ____________

(a)

soda water

(b)

cloud

(c)

cork

(d)

smoke

Solubility of CaO _____ with the increases in temperature.

(a)

increases

(b)

decreases

(c)

remains constant

(d)

None of these