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What Are Noble Gases? Name All in the Order of Their Increasing Density. - Chemistry

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Question

What are noble gases? Name all in the order of their increasing density.   

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Solution

A group of gases which do not react chemically with any other substance are called noble gases. They are helium, neon, argon, krypton, xenon and radon.

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Chapter 6: Metals and Non-metals - Additional questions 2

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Selina Concise Chemistry [English] Class 7 ICSE
Chapter 6 Metals and Non-metals
Additional questions 2 | Q 7.1
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