Chemicals in Our Lives- C3

Chemicals in our lives- C3 * Movements of tectonic plates mean that continents have moved e reallywhere the open air of the Earth * Tectonic plates move delinquent to the very slow convectional currents in the underlying solid spread out * Geologists consumption magnetic clues in rocks to track the slow movements of the continents all over the surface of the Earth * Chemical industry grew up in north-west of England because re cites much(prenominal) as salt, limestone and coal were available * Geologists peck formulate the away history of the surface of the Earth in hurt of processes that bathroom be observed today * E.g. Sedimentary rocks, to take care bear witness of conditions they were formed in: * Shapes of pissing borne grains comp merchant ship air blown grains * Ripples in rocks, may have been produced by wind or water * presence of shell fragments * Fossils of brute or plant in rocks, from distinguishable periods of geological metre * Salt (sodium chloride) is significant for the food industry, as a source of chemicals (chlorine) and to treat icy roads * Salt is obtained in diametric ways * Solution tap * Water is pumped floor a pipe. Water dissolves the salt (impurities such as ashes do not attain dissolved) Pressure pushes salt settlement up to the surface. Salt solution (brine) is stored above the ground.

Salt crystals are corned by evaporating the water * gived for the chemical industry * Could look at to wide spread subsidence and flooding of land ! * Extracting salt from the sea * Evaporate the water and separate the salt * Used for home use * large extractions are victorious place where the water is hot and dry. In these places there is no need to trim fuel to separate salt, energy comes from the Sun * Large-scale extractions can have an effect on the inhabitants of the area * Underground mining * Use giant machines to extract rock salt....If you want to get a full essay, order it on our website: BestEssayCheap.com

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