Which example best represents a gas-in-gas solution?
Answer and explanation
Correct answer: Air
Air is a uniform mixture of gases, including a large amount of nitrogen and smaller amounts of oxygen and other gases. The components and the medium are gaseous, so air is classified as a gas-in-gas solution. Sugar water and salt water contain solid solutes in liquid water, while brass is a solid alloy and therefore a solid solution.
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What is the correct answer to this question?
Air
Why is this the correct answer?
Air is a uniform mixture of gases, including a large amount of nitrogen and smaller amounts of oxygen and other gases. The components and the medium are gaseous, so air is classified as a gas-in-gas solution. Sugar water and salt water contain solid solutes in liquid water, while brass is a solid alloy and therefore a solid solution.
Which subject and chapter does this question cover?
This is a Class 9 Science question. Chapter: Exploring Mixtures and Their Separation. Topic: Solutions.
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