Chemistry The most abundant rare gas in the atmosphere is He Ne Xe Ar He Ne Xe Ar ANSWER DOWNLOAD EXAMIANS APP
Chemistry Gobar gas contains mainly : Methane Ethylene Propylene Acetylene Methane Ethylene Propylene Acetylene ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Positrons Protons Electrons Neutrons Positrons Protons Electrons Neutrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of periodic table of contents discovery of elements metallurgy atomic structure periodic table of contents discovery of elements metallurgy atomic structure ANSWER DOWNLOAD EXAMIANS APP
Chemistry A matured mammalian cell without nucleus is Oocyte Lymphocyte Erythrocyte Spermatozoan Oocyte Lymphocyte Erythrocyte Spermatozoan ANSWER DOWNLOAD EXAMIANS APP
Chemistry The most abundant element by number in the living system is : Nitrogen Hydrogen Oxygen Carbon Nitrogen Hydrogen Oxygen Carbon ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS