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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Explain acid gas?
is urea addition affecting the COD (chemical oxygen demand) & BOD (Biological oxygen demand)level? why?
What is the prime constituents of cement?
when we covert any substance into vapour state from solid state, is it ionized or not?
Define Atom ?
Explain the following ? Matter, Element, Atom, Compound, Molecule, Mixture, Physical change, Chemical change
What are the uses of Alloy ?
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What is the white precipitate produced at the end of point?
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Distinctive character of Organic Chemistry ?
What is iron ore consists of?