Chemistry Which among the following elements is found in maximum percentage in the human body ? Carbon Oxyzen Hydrogen Nitrozen Carbon Oxyzen Hydrogen Nitrozen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most electropositive elements among the following is K Na Cs Ca K Na Cs Ca ANSWER DOWNLOAD EXAMIANS APP
Chemistry The substance that is added to make natural rubber strong and more bouncy is Sponge Polythene Chlorine Sulphur Sponge Polythene Chlorine Sulphur ANSWER DOWNLOAD EXAMIANS APP
Chemistry The mass number of an atom is equal to the number of protons and electrons the number of nucleons the number of neutrons the number of protons the number of protons and electrons the number of nucleons the number of neutrons the number of protons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The atmospheric gas that is mainly responsible for Green House effect : Oxygen Ozone Carbondioxide Nitrogen Oxygen Ozone Carbondioxide Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 neutron only 1 proton only 1 proton + 2 neutron 1 electron only 1 neutron only 1 proton only 1 proton + 2 neutron 1 electron only ANSWER DOWNLOAD EXAMIANS APP