To isolate a solid from a liquid using vaccum filtration you should:
O Use a rubber policeman to transfer the solid from the flask into the funnel.
O Swirl a small portion of a cold solvent with the solid that remains in the original flask and quickly transfer this mixture to the filtration funnel.
O Carefully pour the liquid into the center of the funnel so that the level in the funnel does not rise too high.
O Wash the solid with a small amount of solvent.
O All of the above