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Q. What is the Electrometallurgy?
The above two metallurgical processes, namely pyrometallurgy and hydrometallurgy can be used in the extraction of a fairly large number of metals. These processes, thus, cannot be used in cases:
In these cases, metals can be extracted by electrolysis of their salts in molten state. Thus, magnesium and sodium are generated by electrolysis of fused chlorides, where the metals re Iiberated at the chlorine and cathode gas is evolved at the anode. Given reactions take place in the mean while electrolysis:
Anode: 2Cl- ---------> Cl2 (g) + 2e
Cathode: 2Na+ 2e ------> 2Na (l)
Mg2+ + 2e---------------> Mg (l)
Lassaigne method This is employed to detect halogen, nitrogen and sulphur. Organic compounds are fused along with dry sodium in a fusion-tube and fused mass after extraction wi
The equation Δ x Δp ≥ h/ 4Π shows: (1) de-Broglie relation (2) Heisenberg's uncertainty principle (3) Aufbau principle (4) Hund's rule ans: Heisenberg'
Qualitative analysis A salt contains two parts defined as radicals. The positively charged part of a salt (cation) that has been derived from a base is known as basic radical a
Q. Show the diffrent kind of matter? Liquid matter has a specific volume like a solid but flows and takes the shape of its container. A liquid is incompressible for the reaso
Calculate the difference between the fugacity? The pressure in a liquid droplet of radius r is greater than the pressure of the surrounding equilibrated gas phase by a quantity
The amino acid glutamine can be produced bythe following equilibrium in the presence of a suitable catalyst. The equilibrium constant for this reaction is 3.5 x 10-3 at 25 oC.
WHAT IS THE FEROST DIAGRAM
How is chemical reaction reversible and irreversible?
general methods of preparation of ethanol
Q. What are Independent and dependent variables? Independent variables are the parameters such as ingredients and processing condition which have effect on product quality. Dep
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