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Q. Describe about groups or families in periodic table? Every element may be represented by a one or two letter symbol. In the middle of nineteenth century a Russian chemist Dm
what is the empirical formula of a compound that contains 53.73% iron and 46.27% sulphur?
Name the phenolic compounds of grapes and their significance . Phenolic acid, anthocyanins, flavonols, flavon-3-ols and tannins are the phenolic compounds of grapes. They preven
explain acidic character of acetalin
Why are the substances like platinum and palladium often used for carrying out electrolysis of aqueous solutions? Ans) Substance like platinum and palladium often often used for
why is the f-block grouped in the way it is
(a) Using Lewis structures to describe your reasoning, describe why the following ions have different bond angles: ClO2 - and NO2 - (b) Given that the spatial arrangement of a
application of organomethod
200 g of water at 30 degrees C is mixed with 20 g of silver at 350 degrees C, what''s the final temp?
standard estimation protocol
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