a.

Leclanche cell

b.

Daniel's cell

c.

Torch battery

d.

Accumulator

a.

More molecules return to the liquid than leave it

b.

The vapour pressure is atmspheric

c.

A dynamic equilibrium exists between the liquid molecules and the vapour molecules at a given temperature

d.

The temperature of the vapour varies

a.

Temperature of the surroundings

b.

Temperature of the body

c.

Difference in temperature between the body and its surroundings

d.

Ratio of the temperature of the body to that of its surroundings.

a.

Quality

b.

Pitch

c.

Intensity

d.

Loudness