Chemistry The gas used to extinguish fire is Nitrogen Carbon monoxide Carbon dioxide Neon Nitrogen Carbon monoxide Carbon dioxide Neon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The highest volume of gases in lower atmosphere is comprised of Nitrogen Carbon dioxide Hydrogen Oxygen Nitrogen Carbon dioxide Hydrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saline soil contains Hard rocks Lot of moisture None of these High concentration of salt Hard rocks Lot of moisture None of these High concentration of salt ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is a natural polymer? Polythene Nylon Starch Bakelite Polythene Nylon Starch Bakelite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxygen which is vital for life is a product of photosynthesis and comes from Carbonates from soil Oxides of mineral elements Carbon dioxide Water Carbonates from soil Oxides of mineral elements Carbon dioxide Water ANSWER DOWNLOAD EXAMIANS APP
Chemistry Of the following compounds of calcium, the one having highest covalent character is CaF2 CaBr2 Cacl2 Cal2 CaF2 CaBr2 Cacl2 Cal2 ANSWER DOWNLOAD EXAMIANS APP