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CBSE--Class9--Chemistry-2013-->View question

Which of the following are matter? CBSE- Class9- Chemistry 2013

Chair, air, love, smell, hate, almonds, thought, cold, cold drink, smell of perfume.


Asked On2017-07-24 04:35:15 by:Fututron

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Answers
Chair - It is matter
Air -  It is matter
Love - It is not matter
Smell - It is not matter
Hate - It is not matter
Almonds - It is matter
Thought - It is not matter 
Cold - It is not matter
Cold drink - It is matter
Smell of perfume - It is matter

Concept insight: Anyhting that occupies space and has mass is called matter. Chair, air, almonds, cold drink and smell of perfume are matter since they have mass and occupy space. You might get confused with smell of matter. Is it matter or not? The sense of smell is not matter. However, the smell or odour of a substance is classified as matter. The smell of any substance (say, perfume) is the gaseous form of that substance which our olfactory system can detect (even at very low concentrations). Hence, smell of perfume is matter.

Answerd on:2017-07-25 Answerd By:13priya

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