Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil Industrial smog formation Depletion of fossil fuel reserves Eutrophication in lakes Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Carbon dioxide Helium Nitrogen Sulphur dioxide Carbon dioxide Helium Nitrogen Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is extensively used for sterilizing water ? Soda powder Alum Bleaching powder Borax powder Soda powder Alum Bleaching powder Borax powder ANSWER DOWNLOAD EXAMIANS APP
Chemistry The natural source of hydro-carbon is Carbohydrates Crude oil Coal Biomass Carbohydrates Crude oil Coal Biomass ANSWER DOWNLOAD EXAMIANS APP
Chemistry Alum is used as A disinfectant A fertilizer A purifier for water An analgesic A disinfectant A fertilizer A purifier for water An analgesic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The quality of petrol is expressed in terms of Octane number Gold number Added unlead compounds Cetane number Octane number Gold number Added unlead compounds Cetane number ANSWER DOWNLOAD EXAMIANS APP