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

A 25% alcohol solution means 

(a)

25 ml alcohol in 100 ml of water

(b)

25 ml alcohol in 25 ml of water

(c)

25 ml alcohol in 75 ml of water

(d)

75 ml alcohol in 25 ml of water

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)

White vitriol is ________

(a)

CaSO₄·7H₂O

(b)

MgSO₄.7H₂O

(c)

K₂SO₄.7H₂O

(d)

ZnSO₄.7H₂O

Solubility of a solute is governed by

(a)

nature of solute and solvent

(b)

temperature

(c)

pressure

(d)

all the above

In exothermic process as the temperature increases, solubility of the salt is _____________

(a)

decreases

(b)

increases

(c)

no change

(d)

increase and then remains constant

Salt solution containing common salt in water is an example for _____________

(a)

binary solution

(b)

trinary solution

(c)

suspension

(d)

colloidal solution

In which of the following solutions, both solute and solvent are solids?

(a)

cork

(b)

cheese

(c)

alloys

(d)

smoke

Solubility of CaO _____ with the increases in temperature.

(a)

increases

(b)

decreases

(c)

remains constant

(d)

None of these