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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.
the density of a gas ''A'' is twice that of gas ''B'' at same temperature.The molecular mass of ''B'' is thrice that of ''A'' .the ratio of the pressures acting on A andB
why must the mass relative of atom refer to atomic mass of C
Reaction with Dehydration of alcohol Reaction with H 2 SO 4 [Dehydration of alcohol]: The removal of water from a compound is termed as dehydration. The sequence of simple deh
why element belonging to group 3 to 12 are trnsicition element
Water will not compress Fit a soda water bottle with a one-hole stopper. By the stopper place the glass tube from a medicine dropper, narrow end up. Fill the bottle to the top
The f-block elements contains of two series of inner transition elements i.e. lanthanoids (the fourteen elements subsequent lanthanum) and actinoids (the fourteen elements subseque
Electron transfer is the easiest type of redox process, an example being A majority of reactions of that type are very fast, but oxidation by some complexes (especially of
Explain about Parke Process? Parke method for refining lead, which is also a concentration process for silver, relies upon the selective dissolution of silver in molten zinc.
Why does Ferric Chloride shows color?
What is the meaning of Casting - fabrication processes Fe-C alloys with more than 2% carbon are known as cast irons. On crossing liquidus, proeutectic crystallizes first. O
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