2. Why is it said that - (a) Air is a homogeneous mixture of various gases. (b) Water is a universal solvent. (c) There is no alternative to water for cleaning purposes.
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Air is a homogeneous mixture of gases as it is primarily made up of nitrogen and oxygen. Its elements are not readily separated or distinguished from one another. b. Water is a very good solvent as it can dissolve almost every substance in it, therefore water is known as the “universal solvent”.
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