Chemistry Laughing gas is Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen trioxide Nitric oxide Nitrous oxide Nitrogen pentoxide Nitrogen trioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Formation of ozone hole is maximum over Europe India Antarctica Africa Europe India Antarctica Africa ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher atomic radii Higher densities Higher atomic numbers Higher atomic masses Higher atomic radii Higher densities Higher atomic numbers Higher atomic masses ANSWER DOWNLOAD EXAMIANS APP
Chemistry Denatured spirit is ethanol mixed with Petrol Kerosene Water Pyridine Petrol Kerosene Water Pyridine ANSWER DOWNLOAD EXAMIANS APP
Chemistry Sea water is saltier than rain water because Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea animals are salt producing Sea beds have salt producing mines Rivers wash away salts from earth and pour them into the sea The air around the sea is saltish Sea animals are salt producing Sea beds have salt producing mines ANSWER DOWNLOAD EXAMIANS APP
Chemistry The nucleus of a hydrogen atom consists of 1 electron only 1 neutron only 1 proton + 2 neutron 1 proton only 1 electron only 1 neutron only 1 proton + 2 neutron 1 proton only ANSWER DOWNLOAD EXAMIANS APP