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irga5000 [103]
2 years ago
14

How were noble gases discovered?

Chemistry
1 answer:
AURORKA [14]2 years ago
8 0

Answer:

Lord Rayleigh's observation that the density of nitrogen extracted from the air was always greater than nitrogen released from various chemical compounds.

Explanation:

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Answer:

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So, the formula for water is H2O

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A student wanted to investigate the effect of light on the growth of
timofeeve [1]

Answer:

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3 years ago
One atom of silicon can properly be combined in a compound with
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All fossil fuels contains hydrocarbons in it. Amongst the given options hydrogen is the correct answer. Except that it contains carbon in it. Hydrocarbons are those class of compounds which contains hydrogen and carbon as element in it.

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