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Q. Show the Liquation in purification of metals? Crude tin, bismuth and lead are purified by liquation. In this process, the impure metal is placed at the top of a sloping hear
Conjugate-base anion of diethyl malonate The conjugate-base anion of diethyl malonate would be formed with sodium ethoxide, but it would not react with bromobenzene due to the
if the ozone layer distroyed then earth cool why
Q. Consider a hypothetical system in which two aqueous solutions are separated by a semiper- meable membrane. Solution ? is prepared by dissolving 1.00 x 10 -5 mol KCl in 10.0 g
laboratory preparation
What is difference between silica used in TLC and HPLC column? TLC is called thin layer chromatography. The simple technique works on the principle of adsorption, where as HPLC i
explain galvanic potentiol differnce
Q. What are the Chemical Properties of Halogens? Ans. he halogens have 7 valence electrons in their outermost shell. Note that 7 is one electron short of the octet.
Q. What are Trioxides? The selenium and tellurium trioxides are not stable, SO 2 , is the only important trioxide in the group. Its preparation has been described above. Sul
DISCUSS THE THEORY OF SOFT AND HARD ACID AND BASE
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