Alloys are mixtures of (i) two metals. (ii) a metal and a non-metal. (iii) two non-metals. (iv) a metal and mercury.
The correct answer is (c) (i) and (iv).
Alloys are mixtures of two metals (e.g., brass – copper and zinc) or a metal and mercury (called an amalgam, e.g., silver amalgam used in dental fillings). Non-metals generally do not form alloys.
Class 9th Science NCERT MCQ Questions
NCERT Books MCQ Questions Session 2024-2025.
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The correct answer is (c) (i) and (iv).
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