Chemistry Which of the following is not a commercial source of energy? Natural Gas Coal Petroleum Firewood Natural Gas Coal Petroleum Firewood ANSWER DOWNLOAD EXAMIANS APP
Chemistry The method that cannot be used for removing permanent hardness of water is boiling adding caustic soda adding sodium carbonate distillation boiling adding caustic soda adding sodium carbonate distillation ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Nickel Zinc Iron Cobalt Nickel Zinc Iron Cobalt ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Carbon dioxide Carbon monoxide Methane Sulphur dioxide Carbon dioxide Carbon monoxide Methane Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The structure of (HPO3)3 is Tetrahedral Linear Octahedral Cyclic Tetrahedral Linear Octahedral Cyclic ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element in the earth’s atmosphere is Nitrogen Oxygen Krypton Argon Nitrogen Oxygen Krypton Argon ANSWER DOWNLOAD EXAMIANS APP
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