In which example is the solute solid but the solution will not be called solid?
Answer and explanation
Correct answer: Glucose in water
The governing rule is that a solution is classified mainly according to the physical state of its solvent. Glucose is a solid solute, but water is a liquid solvent; therefore glucose dissolved in water forms a liquid solution, not a solid solution. Zinc in copper, copper in gold, and carbon in zinc are solid-in-solid examples because their solvents are solid metals. Hence A is correct.
Frequently asked questions
What is the correct answer to this question?
Glucose in water
Why is this the correct answer?
The governing rule is that a solution is classified mainly according to the physical state of its solvent. Glucose is a solid solute, but water is a liquid solvent; therefore glucose dissolved in water forms a liquid solution, not a solid solution. Zinc in copper, copper in gold, and carbon in zinc are solid-in-solid examples because their solvents are solid metals. Hence A is correct.
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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