What is a funnel and how is it used in a laboratory?

A funnel is used to transfer liquids from one container to another without spilling.
ALSO There are many kinds of funnels, transferring liquids is only one use. Funnels also provide support for several kinds of filtering procedures. There are hundreds of different kinds of filter paper in different materials and sizes of pores that let different sizes of particles through, different sizes of circles of material that are put into flat bottomed funnels, folded into triangular shaped funnels, and inserted into vacuum setups.

There is a kind of funnel with a wide stem, instead of the narrow stem for liquid transfer. These are called powder funnels, and are used, logically enough, to transfer powders into narrow necked vessels such as flasks or bottles of various types after being weighed out on a scale to make up a solution. Used for filtration or the delivery of liquids.
A funnel allows you to pour from one container into another container with a narrower opening without spilling over the edges.
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  For transferring liquids from one container to another... Posted By: noOber Baybay 0705
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Uses of funnel?

It is used to channel liquid or fine-grained substances into containers with a small opening. Without a funnel, spillage would occur.
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Use of funnel?

- transfer of liquids, powder, granules - a funnel with a filter is used to separe the solid phse from a liquid
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What is a funnel used for?

the funnel is used to target liguids into any container so they will not be lost or spilled.
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