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Separating sand and salt

Description

In this experiment students separate a mixture of sand and salt. This illustrates the fundamental meaning of separating an insoluble material from one which is soluble.

Credits

:
This is an experiment from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry.
separating-sand-and-salt



Apparatus Chemicals

Eye protection

Beaker (250 cm3)

Glass stirring rod

Filter funnel

Filter paper

Conical flask (250 cm3)

Evaporating basin

Bunsen burner

Heat resistant mat

Tripod

Gauze

Mixture of sand and sodium chloride (salt), about 6 or 7 g per group of students (Note 1)

Refer to Health & Safety and Technical notes section below for additional information.

 







In this experiment students separate a mixture of sand and salt. This illustrates the fundamental meaning of separating an insoluble material from one which is soluble.

ADDITIONAL INFORMATION

This is a resource from the Practical Chemistry project, developed by the Nuffield Foundation and the Royal Society of Chemistry. This collection of over 200 practical activities demonstrates a wide range of chemical concepts and processes. Each activity contains comprehensive information for teachers and technicians, including full technical notes and step-by-step procedures. Practical Chemistry activities accompany Practical Physics and Practical Biology .