Question

How do we know that air is a mixture?​

Answer 1

Air is a mixture and not a compound because: Air does not have a formula like a mixture, while compounds have a fixed formula. When air is formed by gases, there is no energy change. ... Components of air can be physically separated

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Answer 2

Air is a mixture and not a compound because:

• Air does not have a formula like a mixture, while compounds have a fixed formula.
• When air is formed by gases, there is no energy change.
• Properties of air are variable and subjective to time and place.
• Components of air can be physically separated