Chemistry Which one out of the following helps in burning ? Nitrogen Oxygen Carbon monoxide Carbon dioxide Nitrogen Oxygen Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Cement is formed by strongly heating a mixture of Limestone and graphite Limestone and clay Chalk and graphite Clay and graphite Limestone and graphite Limestone and clay Chalk and graphite Clay and graphite ANSWER DOWNLOAD EXAMIANS APP
Chemistry Benzene cannot undergo : Oxidation Addition Substitution Elimination Oxidation Addition Substitution Elimination ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following chemical materials is responsible for the depletion of ozone layer in the atmosphere ? Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbon Carbon dioxide Sulphur dioxide Nitrous oxide Chlorofluorocarbon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nitrogenous fetiliser? Superphosphate Urea Ammonium nitrate Ammonium sulphate Superphosphate Urea Ammonium nitrate Ammonium sulphate ANSWER DOWNLOAD EXAMIANS APP