Chemistry Main pollutants released from iron and steel industry are CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S CO2, NO2 and SO3 CO2, H2S and NO2 CO, CO2 and SO2 NO, SO3 and H2S CO2, NO2 and SO3 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Maximum permissible concentration of total hardness in drinking water is 100 50 200 500 100 50 200 500 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant inert gas in the atmosphere is Argon Neon Krypton Helium Argon Neon Krypton Helium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following elements is non-radioactive ? Zirconium Plutonium Uranium Thorium Zirconium Plutonium Uranium Thorium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Oxide of sulphur present in the atmosphere are washed down by rains to cause : Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil Eutrophication in lakes Depletion of fossil fuel reserves Industrial smog formation Lowering of pH of soil ANSWER DOWNLOAD EXAMIANS APP
Chemistry The pH of lemon juice is expected to be More than 7 Equal to 7 Nothing can be predicted Less than 7 More than 7 Equal to 7 Nothing can be predicted Less than 7 ANSWER DOWNLOAD EXAMIANS APP