alKobroRais alKobroRais

21-05-2016
Chemistry

Answered

What sample is a pure substance?A. a test tube of zinc oxide.

Ba container of zinc and oxygen.
Ca flask of pond water.
Da jar of soil.

Verified Answer :

Anonymous Anonymous

28-05-2016

The correct answer is A. A test tube of zinc oxide. Zinc oxide is a compound which is a pure substance composed of two or more elements. They can only be separated or broken down into its individual elements or smaller compounds by chemical means. Therefore, the answer is a test tube of zinc oxide.

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itzmariiii itzmariiii

08-02-2019

A is correct i just took the quiz

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