What is the composition of air ?
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Answer / manya
it is a mixture if all the types of gases present in air.
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Answer / guest
Oxygen, Nitrogen, carbon Dioxide and inert gases (the main
constituent in inert gases in Argon).
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Though the secondary cell can be recharged again and again, still they have a lifetime. Why?
what is the valence of nitrogen?
A balloon constructed in Calcutta during July-August was found to show cracks at most wooden joints when received at Ferozepore in December. What is the probable cause ?
Why do eye-glasses become fogged, when the wearer comes form the cold outdoors into a warm room ?
Why mud houses are cooler in summer and warmer in winter ?
it is possible that the air dissolves in any solvent?
1 Answers BPCL Bharat Petroleum,
Why does oil thrown on rough sea make it calmer ?
which gas is used in preaparation of bit salt
Why metallic tools used by blacksmiths have wooden handles ?
in Einstein's mass energy relation e=mc2 for what is c used or why is light required for reactions. Because the reactions are with help of neutrons
Explain substituted hydrocarbon?
Why is acetone used for cleaning viscometer?