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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.
first two groups are metal but why hydrogen is placed in first group
why water molecule forms covalent bond even though it dissociates into ions
The table below gives intrinsic viscosity values determined by viscometry and weight- average molar mass values determined under the same conditions by static light scattering.
explain why Cu2+ ion is not stable in aqueous solution?
proton neutron hypothesis
Which of the following is an incorrect representation for a neutral atom: 108/47Ag 63/30Cu 30/15P 13/6C 6/3Li
#questiowhy HNO3 is not used for detection of acidic radical of 1st and 2nd group ions?n..
industrial application of cyanohydrin.?
Assainment of liquefaction of gases in degree 2 nd sem
The concentration of the product in the equilibrium is enhancing with increasing concentration of the substrate. ? ? The concentration of the product in the equilibrium
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