Chemistry Acid rain is caused by the pollution of environment by Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen Nitrous oxide and Sulphur dioxide Ozone and Carbon dioxide Carbon monoxide and Carbon dioxide Carbon dioxide and Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The number of d-electrons in Fe2+ (Z = 26) is not equal to that of p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) p-electrons in CI(Z = 17) p-electrons in Ne(Z = 10) d-electrons in Fe(Z = 26) s-electrons in Mg(Z = 12) ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is usually not an air-pollutant? Sulphur dioxide Nitrous oxide Hydrocarbons Carbon dioxide Sulphur dioxide Nitrous oxide Hydrocarbons Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Acceleration Sulphonation Galvanization Vulcanization Acceleration Sulphonation Galvanization Vulcanization ANSWER DOWNLOAD EXAMIANS APP
Chemistry Tear gas used by the police to disperse the mob contains Chlorine Ammonia Carbon dioxide Hydrogen sulphide Chlorine Ammonia Carbon dioxide Hydrogen sulphide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The antiparticle of an electron is Positron Alpha particles Beta particles Proton Positron Alpha particles Beta particles Proton ANSWER DOWNLOAD EXAMIANS APP