Chemistry Which one is the lightest element in the periodic table Carbon Helium Oxygen Hydrogen Carbon Helium Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has pH value 7? Pure Water Sodium Carbonate HCl H2SO4 Pure Water Sodium Carbonate HCl H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The metal ion present in Vitamin B12 is Zinc Iron Cobalt Nickel Zinc Iron Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Chemistry The major constituent of air is hydrogen nitrogen carbon dioxide oxygen hydrogen nitrogen carbon dioxide oxygen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The non-metal found in the liquid state is Bromine Fluorine Chlorine Nitrogen Bromine Fluorine Chlorine Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas produced in marshy places due to decomposition of vegetation is Methane Carbon dioxide Sulphur dioxide Carbon monoxide Methane Carbon dioxide Sulphur dioxide Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
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