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Determine about the Physico-chemical parameters
The possible combination of various elements found in the earth's crust gives rise to a large number of minerals. Out of all the elements present, oxygen and silicon are the most abundant and compose 75% of it. That's also the reason of great abundance of silicate minerals in the crust. The solid phase of soil is broadly composed of inorganic and organic constituents. The inorganic constituents consist of silicates, both of primary and secondary origin, having a definite chemical composition and well defined crystalline structure.
What is a chemical formula? A chemical formula is a way of representing molecules without drawing them. The chemical formula shows the ratio of atoms that form any given molecu
The Fire Triangle Generally, a fire needs three things to burn: Fuel - something to bum, e.g.oi1. Oxygen - to maintain combustion. Ignition - something to start
Applications of Optical Fibres: Fibre optics finds many applications in areas like medicine and communications which we will briefly describe. We will also discuss its advht
Oxidising Substances : It includes oxidising substances and the organic peroxides. Oxidising substances are by themselves not combustible but by feeding oxygen to other substances
Control of soil erosion: The most significant measures of erosion control include (i) growth of grasses, shrubs and trees on soils and (ii) construction of a drainage system w
Mass communication: The well-known exponent of the role of mass media in development, Dr. Wilbur Schramm, who headed a team of experts to advise the development of infrastr
Darwin and Natural Selection: The English naturalist Charles Darwin (1809-1882) explained how biological evolution took place, in his remarkable "The Origin of Species" in
Explain the Water balance function of the kidney Water is one of the most important constituent in the daily diet. You are already aware of the roles it plays in our body. Main
Explain the term- lichens The lichens are able to extract nutrients from the rocks . They are capable of retaining water for a long time during which chemical processes take p
what is the passage for both air and food ?
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