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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)
Structure of DNA and RNA The sequence of bases along with the DNA and RNA chain makes its primary structure that controls the particular properties of the nucleic acid. An RNA
what are the different types of method for the preparation of DDT?
Q. Consider the combustion of methane: Suppose the reaction occurs in a flowing gas mixture of methane and air. Assume that the pressure is constant at 1 bar, the reactant
Q. Explain the use Radioactive Nuclides? Ans. Radioactive elements are easily found because they emit radiation. They can be used as tracers to show what is happening in
how alkenes oxidise with potassium
K3[Al(C2O4)3]
ionic bonds are usually formed by combination of elements with
Which one is the electronic configuration of Fe +2 : (1) 1s 2, 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 6 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 4 , 4s 2 (3) 1s 2 , 2s 2 ,
5
explain the law of chemical combination
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