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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.
which metal is highly reactive?
how to lean it and understand it
Q. Determine Mass to charge ratio of the electron? Ans. Eventually, Thomson was able to find the ratio of the electron's mass to its electrical charge (m/e). Regardless o
Why nitrate give blue color
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The frequency of radiation emitted when the electron falls from n= 4 to n=1 in a hydrogen atom will be (Given ionization energy of H = 2.18x 10 -18 J atom-1 and h= 6.625x 10-
1. Write an easy on the classification of Phylum Protozoa, a large phylum comprising approximately 50,000 species. (10marks)
It is important to differentiate the stoichiometric or empirical formula of a molecular substance from its molecular formula. The former expresses only the relative numbers of atom
A polymer instance has chain of different type of lengths and hence its molecular mass is all the time expressed as an average on the other hand natural polymer like proteins consi
Synthesis of DDT and BHC
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