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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.
Functions of nucleic acid: Nucleic acid has two major functions (a) Replication and (b) Protein synthesis.
Explain the process of Grading and Sieving Grading: Grading consists of separating the sound kernels from chaff and impurities,and may be achieved by sieving or winnowing.
what is the acidity of phenol?
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