In which example are both solute and solvent solids?
Answer and explanation
Correct answer: Copper in gold
Copper and gold are both solid metals under ordinary conditions. If copper is distributed uniformly in gold, gold can act as the solid solvent and copper as the solid solute; the result is described as a solid-in-solid solution or alloy. Carbon dioxide and oxygen in water are gas-in-liquid examples, while the last option does not contain two solid components.
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What is the correct answer to this question?
Copper in gold
Why is this the correct answer?
Copper and gold are both solid metals under ordinary conditions. If copper is distributed uniformly in gold, gold can act as the solid solvent and copper as the solid solute; the result is described as a solid-in-solid solution or alloy. Carbon dioxide and oxygen in water are gas-in-liquid examples, while the last option does not contain two solid components.
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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