Question

2 what is residue and Filtration ?​

Answer 1

Answer:

Filtration can be used to separate an insoluble solid from a liquid, or a precipitate from the reaction mixture in which it formed. The solid which collects in the filter paper is called the residue. The clear liquid which passes through the filter paper is called the filtrate.

Explanation:

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Answer 2

Answer:

Filtration is the method used for separation of insoluble solid component from a liquid component of a mixture using a porous filter.

The insoluble solid left on the filter is known as residue.