Which option has both a liquid solute and a liquid solvent?
Answer and explanation
Correct answer: Ethanol in water
Ethanol is a liquid and water is also a liquid. When ethanol mixes uniformly with water, ethanol is treated as the liquid solute and water as the liquid solvent, making a liquid-in-liquid solution. In soda water the solute is gaseous carbon dioxide, brass is a solid alloy, and air is a gaseous mixture. Therefore only ethanol in water has two liquid components in these roles.
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What is the correct answer to this question?
Ethanol in water
Why is this the correct answer?
Ethanol is a liquid and water is also a liquid. When ethanol mixes uniformly with water, ethanol is treated as the liquid solute and water as the liquid solvent, making a liquid-in-liquid solution. In soda water the solute is gaseous carbon dioxide, brass is a solid alloy, and air is a gaseous mixture. Therefore only ethanol in water has two liquid components in these roles.
Which subject and chapter does this question cover?
This is a Class 9 Science question. Chapter: Exploring Mixtures and Their Separation. Topic: Solute and solvent.
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