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during the process of extraction of pure copper from copper pyrite,SiO2 acts as acidic flux which combines with iron oxide(FeO) to form iron silicate(FeSiO3). CuFeS2 + heat ---> Cu2s + FeS + SO2 FeS + O2 ----> Feo FeO + SiO2 ----> FeSiO3
introduction
Calculate the expected enthalpy of hydrogenation of a six-membered ring with three double bonds and compare it with the value obtained in 74.1. What is the reason for this diffe
CHANGE IN EMF IN A DANIEL CELL
Explain the following observations: (i) Generally there is an increase in density of elements from titanium (Z = 22) to copper (z =29) in the first series of transition element
what is grignard reagent
Q. What do you mean by Isotopes? Isotopes and mass number although all atoms of an element have the same number of protons most elements have atoms with different numbers of ne
1. Acetylation of key proteins is known to correlate with the gene expression in eukaryotes. What class of chromatin proteins is modified? What is the chemical nature of the acetyl
. Explain the construction and working of Calomel electrode
synthesis of di and tri substituted benzenes(symmetrical tribromo benzene, 2-amino-5methylphenol, 3-nitro-4-bromobenzoic acid, 3,4-dibromonitrobenzene, 1,2,3-trimethyl benzene) sta
shortnotes
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