Chemistry Iron and manganese present as pollutants in water cannot be removed by________ Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process Ion exchange process Oxidation followed by settling and filtration Chlorination Lime soda process or manganese zeolite process ANSWER DOWNLOAD EXAMIANS APP
Chemistry A pungent smell often present near the urinals is due to Urea Ammonia Chlorine Sulphur-di- oxide Urea Ammonia Chlorine Sulphur-di- oxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Urea is a Nitrogenous fertilizer Sodium fertilizer Phosphatic fertilizer Potassium fertilizer Nitrogenous fertilizer Sodium fertilizer Phosphatic fertilizer Potassium fertilizer ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Sedative Tranquillizer Hallucinating substance Mental stimulant Sedative Tranquillizer Hallucinating substance Mental stimulant ANSWER DOWNLOAD EXAMIANS APP
Chemistry Besides CO2, the other green house gas is CH4 Ar Ar O2 N2 N2 CH4 Ar Ar O2 N2 N2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used as filler in tyre of rubber ? Coal Carbon black Coke Graphite Coal Carbon black Coke Graphite ANSWER DOWNLOAD EXAMIANS APP
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