Question
The air is a .............?
Answer (Detailed Solution Below)
The correct answer is Mixture of both elements and compounds
Air is a homogeneous mixture of number of gases.
Mixture is material which consists of two or more pure substances(elements or compounds) which are not chemically combined but are physically mixed in any proportion. For example: ghee, oil, air, etc.
Types of mixtures: homogeneous and heterogeneous.
Air is nothing but a general name for the mixture of gases like Nitrogen(78%), mixed with Oxygen(21%), water vapour, Argon, Carbon dioxide, dust. Therefore, air is a mixture of elements and compounds.
Elements: An element is defined as the simplest form or the basic form of a pure substances which cannot be broken into simpler substances by chemical method. For example: iron
Compounds: A compound is defined as a pure substances made up of two or more elements chemically combined together in a proportion by mass. For example: CO2
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