Question

Select THREE examples of pure substances.

Answer 1

Answer:

it would be C, D, E

A is a mixture

B is a mixture

C is a pure substance because Oxygen gas by the chemical symbol O2, is strictly pure

D is pure substance because Gold is one of the basic elements found naturally in nature, and as such, in its pure form

E is a pure substance because 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 .

F is a mixture

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Answer 2

Answer:

Select THREE examples of pure substances?

a gold brick , oxygen gas, a block of ice

Explanation:

The above mentioned names are all pure substances as they contain no contamination and does not give room to be contaminated