Chemistry This group of alumino-silicate minerals is widely used in making electrical insulators Mica Bauxite Manganese Chromite Mica Bauxite Manganese Chromite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following acts as promoter for iron in Haber's process Mn Mg Mo W Mn Mg Mo W ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following forms of phosphorus is most reactive? Black phosphorus White phosphorus Red phosphorus Violet phosphorus Black phosphorus White phosphorus Red phosphorus Violet phosphorus ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide Carbon dioxide Chlorofluorocarbon Nitrous oxide Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The main active constituent of tea and coffee is aspirin caffeine chlorophyll nicotine aspirin caffeine chlorophyll nicotine ANSWER DOWNLOAD EXAMIANS APP
Chemistry The depletion in Ozone layer is caused by ________ . Nitrous oxide Chlorofluorocarbons Carbon dioxide Methane Nitrous oxide Chlorofluorocarbons Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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