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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.
what are the different methods for purifying the organic compounds with examples and applications on these methods in our daily lives or in industry?
preparation of iodoform in lab
Q. Application of electrometallurgy? In theory, aluminium metal would be made the same way. But, aluminium trichloride is covalent and it does not conductor of electricity. As
The frequency of strong yellow light in the spectrum of sodium is 5.09•10*14s calculated the wavelength of light
what types of electrodes use in physical chemistry
What is the Bond Order of Li(2)(minus) anion molecule? Ans) No. of bonding elecrtons =3 (valence), anti bonding =0 (given its state) thus =bond order =3/2=1.2
One way to create ethanol for use as a gasoline additive is the reaction of water vapor with ethylene: a. write this equation using Lewis structures. b. Is this reaction e
what are the tree laws of chemical reaction
Why are the substances like platinum and palladium often used for carrying out electrolysis of aqueous solutions? Ans) Substance like platinum and palladium often often used for
A covalent bond is likely to be formed between two elements which: (1) Have similar electronegativities (2) Have low ionization energies (3) Have low melting points (4
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