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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.
Elimination reactions - Chemical Properties Alkyl Halides The positive charge on carbon is promulgated to the neighbouring carbon atoms through inductive effect. While moved to
Hyperconjugative effect While a H-C bond is attached to an unsaturated system like double bond or a benzene ring, the sigma (σ) electrons of the H-C bond interact or enter into
Q. Test for the presence of linseed oil? Hexabromide test is done to know the extent of presence of linolenic acid. In presence of fish oils, which are rich in linolenic acid,
what is metallurgy
explain the construction of calomel electrode.explain how this electrode is used to determine the potential of an unknown electrode
Classification of proteins - Fibrous proteins These are composed of polypeptide chains which run parallel to the axis and are held together by a strong hydrogen and disulphide
Q. Factors affecting development of a new product? The product development and marketing is not just selling a product, but is a highly multi-disciplinary domain comprising of
preparation,properties,merits,demerits
the number of isomers pssible for hexane
Where is tin obtained? Ans) Tin is obtained in several places tin is found mainly in the ore cassiterite, which is originate in Malaysia, Bolivia, Thailand, and Nigeria.
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