Which option has a liquid solvent but the solute is not liquid?
Answer and explanation
Correct answer: Oxygen in water
In oxygen dissolved in water, oxygen is a gas and water is a liquid. Therefore the solvent is liquid while the solute is non-liquid, making option A correct. Ethanol in water and methanol in ethanol are liquid-in-liquid mixtures. In mercury-sodium, the mercury solute is liquid but sodium is a solid solvent, so that example satisfies neither required condition.
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What is the correct answer to this question?
Oxygen in water
Why is this the correct answer?
In oxygen dissolved in water, oxygen is a gas and water is a liquid. Therefore the solvent is liquid while the solute is non-liquid, making option A correct. Ethanol in water and methanol in ethanol are liquid-in-liquid mixtures. In mercury-sodium, the mercury solute is liquid but sodium is a solid solvent, so that example satisfies neither required condition.
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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