Chemistry ‘Aerosol’ is known as Green house gas present in air Microbes, present in air Suspended solid particles in air Pollutant gas, present in air Green house gas present in air Microbes, present in air Suspended solid particles in air Pollutant gas, present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry The compound that has the least value for octane number is : Iso-octane 2-methyl heptane N-heptane 2,2-dimethyl hexane Iso-octane 2-methyl heptane N-heptane 2,2-dimethyl hexane ANSWER DOWNLOAD EXAMIANS APP
Chemistry A balloon filled with helium rises in air because The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon The balloon is weightless Helium pushes down on the air below the balloon Helium is less dense than air Air exerts an upward force on the balloon ANSWER DOWNLOAD EXAMIANS APP
Chemistry The Bhopal tragedy was caused by the gas Phosgene Carbon monoxide Chlorine Methyl isocyanate Phosgene Carbon monoxide Chlorine Methyl isocyanate ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which substance is used to retard the setting action of cement? CaSO4, 2H2O Al2O3 Na2O + K2O CaO CaSO4, 2H2O Al2O3 Na2O + K2O CaO ANSWER DOWNLOAD EXAMIANS APP
Chemistry Magnetite is 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 2Fe2O3. 3H2O Fe2O3 Fe3O4 FeCO3 ANSWER DOWNLOAD EXAMIANS APP