Chemistry Which among the following coal contains 90 per cent of carbon? Peat Lignite Anthracite Bitumen Peat Lignite Anthracite Bitumen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The maximum number of isomers for an alkene with molecular formula C4H8 is 5 2 3 4 5 2 3 4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most important ore of aluminium is bauxite haematite magnetite monazite bauxite haematite magnetite monazite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Iron is prevented from rusting by coating with zinc. This process is called as Galvanisation Reduction Sublimation Corrosion Galvanisation Reduction Sublimation Corrosion ANSWER DOWNLOAD EXAMIANS APP
Chemistry Browning of paper in old books is caused by Frequent use Lack of aeration Collection of dust Oxidation of cellulose Frequent use Lack of aeration Collection of dust Oxidation of cellulose ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bleaching powder is prepared by passing : Chlorine over quick lirne Carbon dioxide over slaked lime Chlorine over slaked lime Oxygen over slaked lime Chlorine over quick lirne Carbon dioxide over slaked lime Chlorine over slaked lime Oxygen over slaked lime ANSWER DOWNLOAD EXAMIANS APP
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