The usual method of determining the boiling point of a pure liquid is to place the bulb of the thermometer in the vapour given off during ebullition.
(The usual method of determining the boiling point of a pure liquid; is; to place the bulb of the thermometer in the vapour) (the vapour; given off; T:during ebullition)
The usual method of determining the boiling point of a pure liquid the vapour
is given off
to place the bulb of the thermometer in the vapour
T:during ebullition