If an alloy contains copper in larger amount and zinc in smaller amount, what is the role of zinc?
Answer and explanation
Correct answer: Solute
The governing concept is the amount-based definition used for components of a solution or homogeneous alloy. The component present in greater amount is conventionally treated as the solvent, while the component in smaller amount is the solute. Since copper is greater and zinc is smaller, zinc is the solute and copper is the solvent. Zinc is neither suspended nor precipitated because the alloy is homogeneous. Thus B is correct.
Frequently asked questions
What is the correct answer to this question?
Solute
Why is this the correct answer?
The governing concept is the amount-based definition used for components of a solution or homogeneous alloy. The component present in greater amount is conventionally treated as the solvent, while the component in smaller amount is the solute. Since copper is greater and zinc is smaller, zinc is the solute and copper is the solvent. Zinc is neither suspended nor precipitated because the alloy is homogeneous. Thus B 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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