Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil Eutrophication in lakes ANSWER DOWNLOAD EXAMIANS APP
Chemistry Bakelite is a co-polymer of Phenol and Cinnaldehyde Acetaldehyde Benzaldehyde Formaldehyde Cinnaldehyde Acetaldehyde Benzaldehyde Formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which variety of coal contains recognisable traces of the original plant material ? Lignite Peat Bitumen Anthracite Lignite Peat Bitumen Anthracite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the human body is Oxygen Nitrogen Carbon Iron Oxygen Nitrogen Carbon Iron ANSWER DOWNLOAD EXAMIANS APP
Chemistry Impure camphor is purified by Sublimation Fractional crystallisation Steam distillation Fractional distillation Sublimation Fractional crystallisation Steam distillation Fractional distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry Pollutant from motor car exhaust that causes mental disease is SO2 Hg Lead NO2 SO2 Hg Lead NO2 ANSWER DOWNLOAD EXAMIANS APP
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