General Science Brass gets discoloured in air because of the presence of which of the following gases in air? Oxygen Hydrogen Sulphide Nitrogen None of the listed here Oxygen Hydrogen Sulphide Nitrogen None of the listed here ANSWER DOWNLOAD EXAMIANS APP
General Science The main constituents of pearls are Aragonite and Conchiolin Calcium Oxide and Ammonium Chloride Ammonium Sulphate and Sodium Carbonate Calcium Carbonate and Magnesium Carbonate Aragonite and Conchiolin Calcium Oxide and Ammonium Chloride Ammonium Sulphate and Sodium Carbonate Calcium Carbonate and Magnesium Carbonate ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following rays are the most penetrating? Beta rays X-rays Alpha rays Gamma rays Beta rays X-rays Alpha rays Gamma rays 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 Chlorine Sulphur Fluorine Bromine Chlorine Sulphur ANSWER DOWNLOAD EXAMIANS APP
General Science Which of the following does not contain a coinage metal? Copper and Silver Copper and Gold Zinc and Gold Silver and Gold Copper and Silver Copper and Gold Zinc and Gold Silver and Gold ANSWER DOWNLOAD EXAMIANS APP
General Science Which radioactive pollutant has recently drawn to public, due to its occurrence in the building material? Radium Thorium Plutonium Radan Radium Thorium Plutonium Radan ANSWER DOWNLOAD EXAMIANS APP
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