Vacuum Filtration

Select all that are used in vacuum filtration:

• vacuum flask

• round-bottom flask

• volumetric flask

• filter paper

• funnel

Filtration occurs faster when vacuum is used.

• TRUE

• FALSE

Vacuum filtration is carried out under ______ pressure than atmospheric pressure.

• lower

• higher

What is a filtrate?

• Material (usually liquid) that has passed through the filter.

• Material (usually solid) that has not passed through the filter.

To remove soluble impurities from the precipitate, wash it with a small volume of a _____ solvent.

• cold

• hot