Everything Science Grade 10

CHAPTER 2. CLASSIFICATION OF MATTER 2.2

Make your own mixtures by choosing any two sub-

stances from

• sand


• water


• stones


• cereal


• salt


• sugar

Try to make as many different mixtures as possible.

Classify each mixture and give a reason for your

choice.

Potassium dichromate (top) and

iodine (bottom)

Exercise 2 - 1

Complete the following table:

Substance Non-mixture or

mixture

Heterogeneous

mixture

Homogeneous

mixture

tap water

brass (an alloy of copper and zinc)

concrete

aluminium foil (tinfoil)

Coca Cola

soapy water

black tea

sugar water

baby milk formula

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Chemistry: Matter and Materials 29