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 imputable to the very slow convectional currents in the underlying solid shroud * Geologists consumption magnetic clues in rocks to track the slow movements of the continents everywhere the surface of the Earth * Chemical industry grew up in north-west of England because re character references much(prenominal) as salt, limestone and coal were available * Geologists peck rationalise the away history of the surface of the Earth in hurt of processes that corporation be observed today * E.g. Sedimentary rocks, to demote bear witness of conditions they were formed in: * Shapes of pissing borne grains comp fork up air blown grains * Ripples in rocks, may have been produced by wind or wet * presence of shell fragments * Fossi ls of animal(prenominal) or plant in rocks, from distinguishable periods of geological epoch * Salt (sodium chloride) is significant for the food industry, as a source of chemicals (chlorine) and to treat icy roads * Salt is obtained in several(predicate) ways * Solution mining * Water is pumped pedestal a pipe. Water dissolves the salt (impurities such as ashes do not hasten dissolved) Pressure pushes salt settlement up to the surface. Salt solution (brine) is stored above the ground.

Salt crystals are retrieve by evaporating the water * gived for the chemical industry * Could l! ook at to widespread subsidence and flooding of land * Extracting salt from the ocean * Evaporate the water and separate the salt * Used for kin use * large extractions are victorious place where the water is hot and dry. In these places there is no need to throw a fit 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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