Chemistry The metal that is usually extracted from sea water is K Na Mg Ca K Na Mg Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry Combustion of a candle is a/an Physical change Endothermic reaction Photochemical reaction Exothermic reaction Physical change Endothermic reaction Photochemical reaction Exothermic reaction ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Phosgene Methyl isocyanate Chlorine Carbon monoxide Phosgene Methyl isocyanate Chlorine Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The advantage of detergents over soaps is Soaps give lather with only soft water Detergents could not give much lather Detergents are soluble in water Detergents give lather even with hard water Soaps give lather with only soft water Detergents could not give much lather Detergents are soluble in water Detergents give lather even with hard water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sulphur dioxide present in the industrial chimney exhaust causes Reduction in plant's productivity owing to acid rain Corrosion building materials Respiratory and lung disease All of these Reduction in plant's productivity owing to acid rain Corrosion building materials Respiratory and lung disease All of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Helium Argon Neon Nitrogen Helium Argon Neon Nitrogen ANSWER DOWNLOAD EXAMIANS APP
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