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The observation of __________ properties needs a chemical change to occur.

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in Chemistry – Class 11 by (148k points)
The observation of __________ properties needs a chemical change to occur.

(a) Chemical

(b) Physical

(c) Extrinsic

(d) Intrinsic

I have been asked this question during an interview.

This intriguing question originated from Properties of Matter and their Measurement topic in section Chemistry Basic Concepts of Chemistry – Class 11

1 Answer

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Right choice is (a) Chemical

Explanation: Chemical properties are combustibility, composition, reactivity with acids & bases, etc. So to observe them chemical change has to occur. Combustibility can be known only when extinguished with fire. Composition is a chemical property because we can’t find a compound’s composition just by looking at it. We need to run some chemical tests to find out etc

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