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Air is not a compound because it(A) has variable composition(B) has a stoichiometry formula(C)can be purified(D) has a fixed compositiona

User Sig
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1 Answer

5 votes

Answer

(A) has variable composition

Step-by-step explanation

Air is a mixture, but not a compound because it can be separated into different components such as oxygen, nitrogen, etc through the process of fractional distillation.

Therefore, air is not a compound because it has a variable composition.

The correct answer is (A) has variable composition

User Kris Larson
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