Question

A student performed an experiment to analyse the salt present in a sample. He passed the mixture through a sieve and collects the residue. The residue was kept on a porous funnel and the funnel was placed in a machine. The machine rotated the funnel and the liquid from the residue passed through the funnel while the solid salt was left on it. The solid was then kept under various instruments to check for the salt. Which two separation techniques did the student perform?​

Answer 1

Answer:

filtering, evaporation

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