Chemistry Which of the following pollutants is main product of automobile exhaust ? CO2 NO Hydrocarbons CO CO2 NO Hydrocarbons CO ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical substance present in bones and teeth is Calcium borate Calcium sulphate Calcium phosphate Calcium chloride Calcium borate Calcium sulphate Calcium phosphate Calcium chloride ANSWER DOWNLOAD EXAMIANS APP
Chemistry Among the following the hardest metal is Iron Tungsten Gold Platinum Iron Tungsten Gold Platinum ANSWER DOWNLOAD EXAMIANS APP
Chemistry Normal rainwater has a pH level of 6.3 8.3 3.2 5.6 6.3 8.3 3.2 5.6 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water gas is the mixture of Carbon dioxide and hydrogen Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon monoxide and nitrogen Carbon dioxide and hydrogen Carbon dioxide and nitrogen Carbon monoxide and hydrogen Carbon monoxide and nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is not a nucleon? Positron Electron Proton Neutron Positron Electron Proton Neutron ANSWER DOWNLOAD EXAMIANS APP