Chemistry The most abundant metal in the Earth’s crust is Aluminium Iron Zinc Copper Aluminium Iron Zinc Copper ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is liquid non-metal ? Mercury Alcohol Water Bromine Mercury Alcohol Water Bromine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number of an atom gives the number of which of the following ? Neutrons and protons Protons Neutrons Electrons Neutrons and protons Protons Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The polymerisation of which often following is used in manufacturing of polythene in industry ? Acetylene Methane Styrene Ethylene Acetylene Methane Styrene Ethylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Ozone depletion in the stratosphere is mainly caused by Chlorogluorocarbons SO2 NO2 NO Chlorogluorocarbons SO2 NO2 NO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Burning pyrites ore gives out Sulphur dioxide gas Nitrogen dioxide gas Nitric oxide gas Carbon dioxide gas Sulphur dioxide gas Nitrogen dioxide gas Nitric oxide gas Carbon dioxide gas ANSWER DOWNLOAD EXAMIANS APP
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