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Q. Describe about Halide Minerals?
Highly electropositive alkali and alkaline earth metals tend to form halide salts, which being soluble in water are washed away into the oceans due to leaching of the top soil. However, many deposits of halide minerals are also found under the soil. Some important halide minerals are rock salt (NaCl), sylvine (KCI), horn silver (AgCI), carnallite (KCl.MgC12.6H20), fluorspar (CaF2) and cryolite (AlF3.3NaF).
Ores as mined, generally contain variable amounts of unwanted minerals such as silica. clay, granite, etc. These unwanted materials are called gangue. The proportion of the desired metal in the ore must be sufficiently high so that the extraction of metal is chemically feasible and economically competitive. Ores of very low concentration are used only if they can be processed easily and inexpensively or if the metal produced is scarce. The lower limit of the percentage of the metal in mineral below which extraction becomes unprofitable depends on the value of the metal. Thus, ores containing 1 % tin are frequently worked upon to obtain tin and ores containing 5% tin are considered rich deposits of tin. If gold is present to the extent of even 0.0015%, it is considered worth extraction: On the other hand, iron and aluminium will not be worth extracting unless they contain 30% or more of the metal.
Thin layer chromatography (TLC) Detection of excessive levels of one or more amino acids in blood plasma or in urine is often crucial for diagnosis of a group of genetic (inheri
The angle among the lines joining the nuclei of the bonded atom with a central atom is known as bond angle.
Thermodynamic properties: Salts dissolve producing both cations and anions. It means that it is impossible to measure thermodynamic data for individual ion type. The solvation
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What is the effective nuclear charge of 2s for Fe?
Dear sir, We need your consultancy in a technical problem that we are confronting, and we would really appreciate your help We are in the process of implementing the heavy metal an
1)why hydroboration leads to anti-markovnikov addition of hydrogen whereas most electrophilic additions to alkenes result in Markovnikov addition. 2) draw the full mechanism and id
oxidation state of p-block elements?
how to do nomenclature of bicyclic compounds with functional groups??
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