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Q. What is Calcinations process?
This is fie method of heating the concentrated ore in a limited supply of air to a high temperature but under the fusion temperature. In calcinations, volatile constituents of an ore are expelled. Hydrated and Hydroxide ores lose their water forming metal oxides. In case of carbonate ores, carbon dioxide is lost and metal oxides are made.
Q. Explain about Hydrogen Sulphide? Hydrogen sulphide is the only thermodynamically stable sulphane. It is a foul smelling and poisonous gas. H 2 S is prepared in the labora
n-propyl acetate evaporates rapidly when exposed to air,but water does not.Explain
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
synthesis of di and tri substituted benzenes(symmetrical tribromo benzene, 2-amino-5methylphenol, 3-nitro-4-bromobenzoic acid, 3,4-dibromonitrobenzene, 1,2,3-trimethyl benzene) sta
3-methylhexane impact name
calomel construction and working
some simple live chemistry projects
In the early period of development of the chemistry of complexes, a number of theories were put forward in order to explain in a simple manner the formation of a new compound by th
When the azimuthal quantum number has a value of l= l , the shape of the orbital is : (1) Unsymmetrical (2) Spherically symmetrical (3) Dumb-bell (4)Complicated Ans:
o-isomer is more volatile and how separated by steam distillation?
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