General Science The main constituents of pearls are Ammonium Sulphate and Sodium Carbonate Calcium Oxide and Ammonium Chloride Aragonite and Conchiolin Calcium Carbonate and Magnesium Carbonate Ammonium Sulphate and Sodium Carbonate Calcium Oxide and Ammonium Chloride Aragonite and Conchiolin Calcium Carbonate and Magnesium Carbonate ANSWER DOWNLOAD EXAMIANS APP
General Science Which layer protects earth from harmful rays of the Sun? Ozone layer Ionosphere Magnetosphere Troposphere Ozone layer Ionosphere Magnetosphere Troposphere 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
General Science Wood is the main raw material for the manufacture of Ink Paint Gun powder Paper Ink Paint Gun powder Paper ANSWER DOWNLOAD EXAMIANS APP
General Science The gas usually filled in the electric bulb is Hydrogen None of the listed here Nitrogen Oxygen Hydrogen None of the listed here Nitrogen Oxygen ANSWER DOWNLOAD EXAMIANS APP
General Science How many colours the sunlight spectrum has? Five Seven Three Four Five Seven Three Four ANSWER DOWNLOAD EXAMIANS APP