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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 Egg White Foams? Egg white foams when whipped or beaten, the air gets entrapped in the liquid present, and an interfacial tension is established between the ai
How to determine the mass of substance electrogravimetricaly?
Aufbau principle is obeyed in which of the following electronic configurations: (1) 1s 2 2s 2 2p 6 (2) 1s 2 3p 6 3s 2 (3) 1s 2 3s 2 3p 6
Analysis of oils and fats - Acid value It points out the amount of free acid present in the oil or fat. It is described as the number of milligrams of KOH needed to neutralize
clear scientific definition of exothermic and endothermic reactions
Need help figuring out the proper steps on how to solve: What volume of 1.25M HCl in liters is needed to react completely (with nothing left over) with 0.750L of 0.200M Na2CO3? Usi
Electronic configuration 1s 2 2s 2 2p 6 3s 2 3p 6 3d 5 4s 1 represents: (1) Ground state (2) Excited state (3) Anionic state (4) All of these Ans: Ground
types of electromeric effect
sketch of a polarographic current potential curve
#IONISATION ENERGY OF ELEMENTS..
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