CBSE · Class 9 · Science · Is Matter Around Us PureWhich of the following is an example of a pure substance?
Step-by-Step Solution
A pure substance consists of a single type of matter and has a fixed composition. Out of the given options, iron is an element and thus a pure substance, while milk, sea water, and air are mixtures.
Detailed Options Breakdown
Option : Milk
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Is Matter Around Us Pure.
Option 1: Iron (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Sea water
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Is Matter Around Us Pure.
Option 3: Air
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Is Matter Around Us Pure.
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