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Q. Describe Oxosalts?
In these minerals, metals are present as their oxosalts, such as carbonates, sulphates, nitrates, phosphates, borates and silicates. Some important minerals bf this group are siderite (FeC03). magnesite (MgC03), dolomite (MgC03.CaC03), cerussite (PbC03), malachite (CuC03-Cu (OH)2), calamine (ZnCO3), barytes (BaS04), gypsum (CaS04.2H20), epsomite (MgS047H20)anglesite (PbS04), soda nitre (NaN03), monazite LaPO4.CePO4.NdPO4.PrPO4. Th3 (PO4) 4)spodumene (LiAl206), zircon (ZrSi04), beryl Be3Si6018), etc. Phosphate minerals are, in general, rare and occur in low concentrations. Silicate minerals are abundant in nature. However, the extraction of metals from silicates is difficult and the cost of extraction is very high. Therefore, only the less common metals such as lithium are extracted from silicate minerals.
Heterolysis bond fission or Heterolytic (i) In heterolysis bond, the covalent bond is broken in such a way that one species (that is., less electronegative) is deprived of its
why the hydrogen gases are used platinium plate in she
Q. What is gamma radiation? The third kind of radiation is gamma radiation (g-radiation) which is high-energy electromagnetic radiation. Gamma radiation is typically emitted
determination of glucose,fructose and maltose.
Calculate the molarmass of a nonelectrolyte that lowers the freezing point of 25.00g of water to -3.9 degrees C when 4.27 g of the substance is dissolved in the water.
Measure the combustion energies for the burning of 1 mol of propane and butane gas in air under these conditions. Calculate the efficiency of the combustion process as a functi
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Between a proton and electron in a hydrogen atom = 3.16 x 10 47 A 0
The number of d electrons in Fe +2 (atomic number of Fe= 26 ) is not equal to that of the: (1) p-electrons in Ne (At. No.= 10) (2) s-electrons in (At. No.= 12)
Usually we grudgingly accept that syntheses involving activated EAS reactions will unavoidably yield both ortho and para isomers, and this inefficiency is acceptable in exam and ho
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