हवा को compound क्यों नहीं माना जाता?
Why is air not considered a compound?
Explanation opens after your attempt
B. क्योंकि gases chemically fixed ratio में combined नहीं हैंBecause gases are not chemically combined in fixed ratio
Concept
Gases in air are present as a physical mixture. Their ratio can vary with place and conditions.
Why this answer is correct
The correct answer is B. क्योंकि gases chemically fixed ratio में combined नहीं हैं / Because gases are not chemically combined in fixed ratio. Gases in air are present as a physical mixture. Their ratio can vary with place and conditions.
Exam Tip
Air में gases physical mixture के रूप में हैं। उनका ratio स्थान और conditions से बदल सकता है।
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