GK
BASIC GENERAL KNOWLEDGE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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mixture
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compound
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element
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electrolyte
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Detailed explanation-1: -Air is a homogeneous mixture of the gaseous substances nitrogen, oxygen, and smaller amounts of other substances. Air is a mixture of different gasses like N2 (78%), O2(21%), argon (1%), carbon CO2 (0.03%), and water vapor. The composition of these gasses is not fixed.
Detailed explanation-2: -Air is mostly gas It’s a mixture of different gases. The air in Earth’s atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen. Air also has small amounts of other gases, too, such as carbon dioxide, neon, and hydrogen.
Detailed explanation-3: -Sometimes, one of the gas in the air in the form of liquid depends on temperature. This kind of biphasic nature of gas will happen. That is the reason, air is sometimes considered as a heterogeneous mixture.