GK
BIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Name the gas that is filled in Balloon
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CO2
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Oxygen
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Helium
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Nitrogen
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Explanation:
Detailed explanation-1: -Helium is the gas used to fill in balloons. It is used because, helium is light and unreactive.
Detailed explanation-2: -Helium (from Greek: , romanized: helios, lit. ‘sun’) is a chemical element with the symbol He and atomic number 2. It is a colorless, odorless, tasteless, non-toxic, inert, monatomic gas and the first in the noble gas group in the periodic table.
Detailed explanation-3: -Helium is the second most abundant element in the universe after hydrogen. It is a colorless and odorless inert gas that has unique properties. What makes helium so unique? Of all the elements, helium is the most stable; it will not burn or react with other elements.
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