Chemistry Which of the following is not a natural source of hydrocarbon? Petroleum Natural Gas Coal Mica Petroleum Natural Gas Coal Mica ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gelatin is mostly used in making ice–creams in order to Prevent making a colloid Stabilise the colloid and prevent crystallisation Enrich the aroma Stabilise mixture Prevent making a colloid Stabilise the colloid and prevent crystallisation Enrich the aroma Stabilise mixture ANSWER DOWNLOAD EXAMIANS APP
Chemistry Hardest allotrope of carbon is Lamp black Coke Diamond Graphite Lamp black Coke Diamond Graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The filter over which sewage is sprinkled is called as Contact bed Percolating filter Trickling filter Intermittent sand filter Contact bed Percolating filter Trickling filter Intermittent sand filter ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbon Sulphur dioxide Carbon dioxide Nitrous oxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The product, 9-nitroanthracene is obtained from anthracene by the action of Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride Nitric acid in excess Nitric acid and ethyl alcohol Nitric acid and acetic acid Nitric acid and acetic anhydride ANSWER DOWNLOAD EXAMIANS APP
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