MCQ
Which of the following statement(s) is/ are correct?
  • A
    Air is a mixture of many gases.
  • B
    Air is a homogeneous mixture.
  • C
    Air is a pure substance.
  • Only $(a)$ and $(b)$ are correct.

Answer

Correct option: D.
Only $(a)$ and $(b)$ are correct.

Air is not a pure substance. A pure substance refers to an element or a compound and not a mixture. Air is a homogeneous mixture.

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