General Science - Physics (Basics)
Which of the following is NOT a mixture?
Which of the following is NOT a mixture?
medium Q6 of 15
Step-by-Step Solution
Step 1: Understand difference between mixtures and compounds
Mixtures are physical combinations; compounds are chemically combined substances.Step 2: Analyze options
Brass is an alloy (mixture), air is a mixture of gases, salt solution is a mixture. Water (H₂O) is a compound, not a mixture.Final Answer:
Water (H₂O) → Option AQuick Check:
Not a mixture = Water (H₂O) ✅
Quick Trick: Compounds are chemically combined, unlike mixtures.
Common Mistakes:
- Confusing alloys or solutions as compounds.
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