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Q. Explain about Magnetic Separation ?
This process is based on the difference in magnetic properties of minerals. If the ore but not the gangue is attracted by a magnetic field, it may be concentrated to-yield a sample which is rich in the metal. The pulverised mineral is passed over a rubber belt which goes on a pully in a magnetic field. The non-magnetic gangue particles fall off in a vertical position when the belt passes over the pully, but the magnetic ore clings to the belt. When the belt passes out of the influence of the magnetic field, the ore drops off. Magnetite (Fe3O4), haematite (Fe2O3), chromite (FeO.Cr2O3), wulfrarmite (FeWO4), and ilmenite (FeO.TiO2) are some of the minerals which are separated from non- magnetic impurities by this process.
The galvanic cells in which electrodes are made of same metal but they are immersed in the electrolytes of different concentrations in two half cells are called concentration cells
Citrus Fruits A large number of constituents in citrus products have been shown to be capable of preventing or alleviating diseases and promoting health. Vitamin C, E, and car
How is harvest maturity identified? Before harvesting, the first thing to be looked into is the identification of harvest maturity. We have already seen what the term ac
explain law of equivalence..
Draw a figure to show splitting of degenerate d orbitals in an octahedral crystal field. How does the magnitude of decide the real configuration old orbitals in a difficult enti
Q. Compounds of Group 16 Elements? We will now discuss some compounds like the hydrides, halides and oxides of the Group 16 elements. All elements of this group form simple
Saytzeff rule
PROPERTY
SHOW A LABELED SCHEMATIC DIAGRAM OF A SINGLE BEAM ATOMIC ABSORPTION SPECTROSCOPY
Q. Extensive chemistry of the boron hydrides? The extensive chemistry of the boron hydrides finds no parallel with the hydrides of heavier elements of Group 13. Out of the four
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