General Science Brass gets discoloured in air because of the presence of which of the following gases in air? Nitrogen Hydrogen Sulphide None of the listed here Oxygen Nitrogen Hydrogen Sulphide None of the listed here Oxygen ANSWER DOWNLOAD EXAMIANS APP
General Science In fireworks, the green flame is produced because of Sodium Barium Mercury Potassium Sodium Barium Mercury Potassium ANSWER DOWNLOAD EXAMIANS APP
General Science Chemical formula for water is H2O CaSiO3 NaA1O2 None of the listed here H2O CaSiO3 NaA1O2 None of the listed here ANSWER DOWNLOAD EXAMIANS APP
General Science Isotopes are separated by: Crystallisation Distillation Sublimation Filtration Crystallisation Distillation Sublimation Filtration ANSWER DOWNLOAD EXAMIANS APP
General Science Chlorophyll is a naturally occurring chelate compound in which central metal is Iron Magnesium Copper Calcium Iron Magnesium Copper Calcium ANSWER DOWNLOAD EXAMIANS APP
General Science Which layer protects earth from harmful rays of the Sun? Magnetosphere Troposphere Ionosphere Ozone layer Magnetosphere Troposphere Ionosphere Ozone layer ANSWER DOWNLOAD EXAMIANS APP
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