Question

the pure substances and mixtures.
12. Identify
a) Tin
b) ice
c) carbon dioxide
a) milk​

Answer 1

Answer:

milk and tin is pure

ice and carbon dioxide is mixture

Explanation:

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Answer 2

Answer:

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a) Tin

Tin, sulphur and diamond are the example of pure substance because they contain atoms of same element.

b) Ice

Both ice and liquid water are the same substance. H2O Though ice water is a mixture of both solid and liquid it is a pure substance, based on the molecular structure of its components .

c) Carbon dioxide

It is not a pure substance. Carbon dioxide is a compound while oxygen and zinc are elements which are a type of pure substance.

d) Milk

Now as we know that we get milk from the cow and it is a mixture of water, fat and solids (in the form of milk protein and carbohydrates) which is mixed irrationally. Therefore milk is a mixture not a pure substance. Therefore milk is regarded as a mixture not as a pure substance.

Therefore, Tin and Ice are Pure Substance & Carbon dioxide and Milk are mixtures