Chemistry Electric bulbs are filled with : Argon Oxygen Carbon dioxide Nitrogen Argon Oxygen Carbon dioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO2, NO2 and SO3 NO, SO3 and H2S CO, CO2 and SO2 CO2, H2S and NO2 CO2, NO2 and SO3 NO, SO3 and H2S CO, CO2 and SO2 CO2, H2S and NO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of neutrons in an atom of hydrogen is Three Zero Two One Three Zero Two One ANSWER DOWNLOAD EXAMIANS APP
Chemistry ‘Aerosol’ is known as Green house gas present in air Suspended solid particles in air Pollutant gas, present in air Microbes, present in air Green house gas present in air Suspended solid particles in air Pollutant gas, present in air Microbes, present in air ANSWER DOWNLOAD EXAMIANS APP
Chemistry Milk tastes sour when kept in the open for sometime due to the formation of Lactic acid Citric acid Carbonic acid Acetic acid Lactic acid Citric acid Carbonic acid Acetic acid ANSWER DOWNLOAD EXAMIANS APP
Chemistry Philosopher’s wool is chemically Aluminium oxide Magnesium oxide Calcium oxide Zinc oxide Aluminium oxide Magnesium oxide Calcium oxide Zinc oxide ANSWER DOWNLOAD EXAMIANS APP
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