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(a) Starting from a sample of chromate ore, how is potassium dichromate prepared? Explain all the steps included with chemical equations.
(b) Write the balanced chemical equation for the reaction among an acidified solution of potassium dichromate and potassium iodide.
Show by means of equations and reagents, how the following conversion would be achieved? Propyne to butanoic acid
preparation of idoform
Q. Atomic mass of an element? The number at the bottom of every square in the periodic table is the atomic mass of that element in amu. A scan of the periodic table will withou
what is mole
Give two methods for preparation of acetophenones
Curve of potential energy versus angle of internal rotation The curve of potential energy versus angle of internal rotation is essentially identical to the curve for ethane, ex
Illustrate with examples: (a) Lyophilic and Lyophobic sols (b) Multimolecular and Macromolecular colloids (c) Homogeneous and Heterogeneous catalysis.
Q. Iron chloride forms various solid hydrates, all of which melt congruently. The temperatures t of aqueous solutions of various compositions that are saturated with respect to a s
Types of interferences: The various kinds of interferences encountered in analysis through flame photometry are: Spectral interferences Ionisation interferences
It is Hydrated Potassium Aluminium Sulfate [ KAl(SO4)2·12H2O ].
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