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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
Q. Explain the structure of Single covalent bonds? Ans. Atoms tend to achieve the stable electron configuration of a noble gas when forming a bond. In covalent bonding thi
Close to 12.2 billion metric tons of ethylene glycol (EG) were produced in 2000, which ranked it the twenty-sixth most produced chemical in the nation that year on a total mass bas
Why rate of reaction in zero order is independent of concentration? Solution) Where r is the reaction rate and k is the reaction rate coefficient with units of time / concentrat
In the Lectures where the necessary heat transfer area for the production of aspirin was being discussed, we had calculated (a) the volume of the scaled up version of the tank and
How we get 49 gm = 1 eqv
Q. List the factors influencing product development? The factors influencing product development are growing urbanization, changes in life style, increasing number of small fam
deffination and example
Q. Show example of electromagnetic radiation? When light associated with energy hv, such that D 0 . = hv, is passed through a solution of [Ti(H 2 0) 6 ] 3+, absorption of ligh
What is rate of charge transfer
An electron has kinetic energy 2.8 x 10 -23 J . de-Broglie wavelength will be nearly: (me: 9.1 x 10 -31 kg) (1) 9.28x 10 -4 m (2) 9.28 x10 -7 m
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