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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. Illustrate Classification of Matter? Pure Substances In order to understand what a pure substance is, you must think of it on an atomic level. Elements and compounds
Chain, nuclear or skeleton isomerism: This form of isomerism arises because of the difference in the nature of the carbon chain (that is straight or branched) which makes the
hardness of borewell water is less than that of seawater
0.22(6.022)(10^23)
anomalous behaviour of beryllium
What is the chemical formula for hard water?
who created or found Styrene
alkali metals belong to s-block in the periodic table ,why?
what is hydrogen?
Why the density of carbonylcompounds is as same as water?
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