Chemistry The gas that usually causes explosions in coal mines is Air Carbon monoxide Methane Hydrogen Air Carbon monoxide Methane Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of covering water pipes made of Iron with Zinc layer to prevent corrosion is called : Vulcanization Galvanization Zinc plating Alloy formation Vulcanization Galvanization Zinc plating Alloy formation ANSWER DOWNLOAD EXAMIANS APP
Chemistry In addition to hydrogen, the other abundant element present on Sun’s surface is Oxygen Helium Argon Neon Oxygen Helium Argon Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most suitable vessel for storing concentrated sulphuric acid is Earthen vessel Aluminium vessel Copper vessel Glass vessel Earthen vessel Aluminium vessel Copper vessel Glass vessel ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the most common salt in sea water ? Potassium chloride Calcium carbonate Magnesium sulphate Sodium chloride Potassium chloride Calcium carbonate Magnesium sulphate Sodium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of gobar gas is Isobutane Butane Carbon dioxide Methane Isobutane Butane Carbon dioxide Methane ANSWER DOWNLOAD EXAMIANS APP
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