Explain extraction of ephedrine from a mineral block?
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How is petroleum manufactured?
What is the composition of bronze ?
What is hydrogenation of oils ?
Why has the continuous supply of heat no effect on the rise of temperature after boiling point
How is water purified on large scale, for drinking ?
Why is the sea water saline ?
Why is the indicator eriochrome black(ebt) shows wine red color at the beginning and blue color at the end?
What is OOS AND OOT?
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In the calculation of calorific value of any fuel why the latent heat of vap. of water is taken as 587 kj/mol whereas actually it is 540kj/mol?
Which expands to the greatest, when heated : silids, liquids or gases ?
why evolution select ATPin many places like metabolism and other places rather then GTP, TTP etc. and why GTP selected in activation of G-alfa in G protein signalling ??????
Why is ammonia solution added while preparing edta solution?