Which option has both the solute and the solvent as gases?
Answer and explanation
Correct answer: Oxygen in air
Air is a homogeneous mixture of gases. In the usual school-level description, nitrogen, the major component, acts as the solvent, while oxygen and other gases are solutes. Thus, oxygen in air represents a gas-in-gas solution. Salt water and sugar water are solid-in-liquid solutions, while zinc in brass is a solid-in-solid solution.
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What is the correct answer to this question?
Oxygen in air
Why is this the correct answer?
Air is a homogeneous mixture of gases. In the usual school-level description, nitrogen, the major component, acts as the solvent, while oxygen and other gases are solutes. Thus, oxygen in air represents a gas-in-gas solution. Salt water and sugar water are solid-in-liquid solutions, while zinc in brass is a solid-in-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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