Chemistry The nucleus of a hydrogen atom consists of 1 proton + 2 neutron 1 neutron only 1 proton only 1 electron only 1 proton + 2 neutron 1 neutron only 1 proton only 1 electron only ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electronegative element among the following is oxygen bromine fluorine sodium oxygen bromine fluorine sodium ANSWER DOWNLOAD EXAMIANS APP
Chemistry The heat required to raise the temperature of body by 1 K is called thermal capacity specific heat None of these water equivalent thermal capacity specific heat None of these water equivalent ANSWER DOWNLOAD EXAMIANS APP
Chemistry What is the mass percentage of carbon in carbon dioxide (CO2) 0.273 0.201 0.323 0.158 0.273 0.201 0.323 0.158 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following metals pollutes the air of a city having large number of automobiles? Chromium Cadmium Copper Lead Chromium Cadmium Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas which emits from rice field is Methane Ethane Nitrogen All of these Methane Ethane Nitrogen All of these ANSWER DOWNLOAD EXAMIANS APP