Chemistry Acid rain' is caused due to air - pollution by Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide Methane Nitrous oxide and sulphur dioxide Carbon dioxide Carbon monoxide Methane ANSWER DOWNLOAD EXAMIANS APP
Chemistry Saccharin is made up of Phenol Butane Propane Toluene Phenol Butane Propane Toluene ANSWER DOWNLOAD EXAMIANS APP
Chemistry Helium gas is filled in ballons because It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 It is lighter than air It is one of the constitutents of water It is a noble gas Its atomic number is 2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following elements exhibits the greatest tendency to lose electrons ? Fluorine Oxygen Lithium Zinc Fluorine Oxygen Lithium Zinc ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following pollutants is main product of automobile exhaust ? NO Hydrocarbons CO CO2 NO Hydrocarbons CO CO2 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Main pollutants released from iron and steel industry are CO2, H2S and NO2 CO, CO2 and SO2 CO2, NO2 and SO3 NO, SO3 and H2S CO2, H2S and NO2 CO, CO2 and SO2 CO2, NO2 and SO3 NO, SO3 and H2S ANSWER DOWNLOAD EXAMIANS APP