a.

1

b.

2

c.

3

d.

4

a.

Aluminium tetraoxosulphate (VI)

b.

Copper tetraoxosulphate (VI)

c.

Sodium tetraoxosulphate (VI)

d.

Calcium tetraoxosulphate (VI)

a.

Brownian motion

b.

Diffusion

c.

Osmosis

d.

Tyndall effect

a.

A decrease in the free energy of the solution

b.

A decrease in the entropy of the solution

c.

A lowering of the temperature of the solutionn

d.

An increase in the entropy of the solution