In which option are both solute and solvent solids?
Answer and explanation
Correct answer: Copper in gold
Copper and gold are both solids at ordinary conditions. When one metal is uniformly mixed into another solid metal, the result is classified as a solid-in-solid solution or alloy-like solid mixture. Sugar in water is solid in liquid, oxygen in water is gas in liquid, and fog is liquid droplets in gas. Therefore option A matches both required states.
Frequently asked questions
What is the correct answer to this question?
Copper in gold
Why is this the correct answer?
Copper and gold are both solids at ordinary conditions. When one metal is uniformly mixed into another solid metal, the result is classified as a solid-in-solid solution or alloy-like solid mixture. Sugar in water is solid in liquid, oxygen in water is gas in liquid, and fog is liquid droplets in gas. Therefore option A matches both required states.
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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