GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following statements best describes the composition of air?
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air is only made up of nitrogen
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air is only made up of oxygen
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air is only made up of carbon dioxide
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air is made up of a mixture of different gasses
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Explanation:
Detailed explanation-1: -Air is defined as a mixture of different gases. It is also known as atmosphere. Air is made up of different gases which include nitrogen, carbon dioxide, oxygen and many other gases in small amounts. It is the most abundant gas with the concentration of 78%.
Detailed explanation-2: -Air is made up of different gases, such as oxygen, nitrogen, and carbon dioxide. Which statement best describes these three components of air? They are all classified as pure substances.
There is 1 question to complete.