General Science Brass gets discoloured in air because of the presence of which of the following gases in air? Nitrogen None of the listed here Oxygen Hydrogen Sulphide Nitrogen None of the listed here Oxygen Hydrogen Sulphide ANSWER DOWNLOAD EXAMIANS APP
General Science The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of Fluorine Bromine Sulphur Chlorine Fluorine Bromine Sulphur Chlorine ANSWER DOWNLOAD EXAMIANS APP
General Science Which metal pollute the air of a big city? Copper Lead Chromium Cadmium Copper Lead Chromium Cadmium ANSWER DOWNLOAD EXAMIANS APP
General Science Permanent hardness of water can be removed by adding Bleaching Powder Washing Soda Chlorine Potassium Permanganate Bleaching Powder Washing Soda Chlorine Potassium Permanganate ANSWER DOWNLOAD EXAMIANS APP
General Science Monazite is an ore of Thorium Zinc Iron Zirconium Thorium Zinc Iron Zirconium ANSWER DOWNLOAD EXAMIANS APP
General Science Very small time intervals are accurately measure by Pulsars Quartz clocks White dwarfs Atomic clocks Pulsars Quartz clocks White dwarfs Atomic clocks ANSWER DOWNLOAD EXAMIANS APP
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