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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. in radioactive decay, a nucleus emits an alpha particle and two beta particle successively. show that the final nucleus is an isotope of original nucleus. Ans: Let the mass and
what is the mechanism of acyl chloride reaction with alcohol and why does it react in this way ?
seawater contains 0.75g of Fe+3 per kilogram of water. What is the concentration of Fe_3 in ppm?
free energy and spontaeity
Separation methods: The present unit gives an introduction to the course on separation methods. It highlights the utility of separations within the analysis and recovery of pu
Onion and Garlic Onions (A. cepa), and garlic (A. sativam), have been used in traditional and folk medicine for over 4000 years. Disorders for which both garlic and onions ha
De?ne Quoin and Queen closer De?ne Least count. Explain functions of the foundation
Explain the problems of flooding and channeling in packed tower
Q. Extraction of Iron oxide and titanium dioxide? Iron oxide and titanium dioxide do not dissolve in the alkali and are filtered off as sludge. The solution is cooled and most
Carboxylate salts Carboxylate salts are less reactive than esters in nucleophilic acyl substitution reactions for two reasons. First, resonance stabilization of carboxylate s
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