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Which of the following gas is lightest and non-inflammable innature ?(a) H2(b) N2c) Ar(d) He |
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Answer» Answer: h2 Explanation: Hydrogen (symbolized H) is one of the elements. Its ATOMIC number is 1 and it is a COLORLESS, tasteless, ODORLESS nonmetallic GAS. Hydrogen is highly flammable and is the lightest of all the elements. |
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