Chemistry Limestone is a raw material used by which industry? Petrochemicals Cement Aluminium Fertilizers Petrochemicals Cement Aluminium Fertilizers ANSWER DOWNLOAD EXAMIANS APP
Chemistry In upper layer of atmosphere ozone is formed by The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere The combination of oxygen molecules The action of ultraviolet rays on oxygen Subjecting oxygen to high pressure The action of nitrogen on oxygen in atmosphere ANSWER DOWNLOAD EXAMIANS APP
Chemistry Brass gets discoloured in air due to constant exposure in presence of: Hydrogen sulphide Aluminium sulphide Aluminium phosphide Hydrogenated wafers Hydrogen sulphide Aluminium sulphide Aluminium phosphide Hydrogenated wafers ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gunpowder consits of a mixture of Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal TNT and charcoal Nitre, sulphur and charcoal Sand and TNT Sulphur, sand and charcoal TNT and charcoal ANSWER DOWNLOAD EXAMIANS APP
Chemistry A non-electronic conductor is None of these Iron Gas Carbon Copper Sulphate None of these Iron Gas Carbon Copper Sulphate ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas that usually causes explosions in coal mines is Methane Hydrogen Carbon monoxide Air Methane Hydrogen Carbon monoxide Air ANSWER DOWNLOAD EXAMIANS APP
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