Chemistry The antiparticle of an electron is Alpha particles Positron Proton Beta particles Alpha particles Positron Proton Beta particles ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which among the following is used as a catalyst in the production of high octane fuels? HCl HF HNO3 H2SO4 HCl HF HNO3 H2SO4 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a greenhouse gas ? Carbon dioxide Helium Nitrogen Sulphur dioxide Carbon dioxide Helium Nitrogen Sulphur dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The drug ‘Marijuana’ is a Tranquillizer Hallucinating substance Mental stimulant Sedative Tranquillizer Hallucinating substance Mental stimulant Sedative ANSWER DOWNLOAD EXAMIANS APP
Chemistry Heavy metals got their name because compared to other atoms they have Higher densities Higher atomic masses Higher atomic radii Higher atomic numbers Higher densities Higher atomic masses Higher atomic radii Higher atomic numbers ANSWER DOWNLOAD EXAMIANS APP
Chemistry What particles move around the nucleus of an atom and are negatively charged? Protons Electrons Neutrons Positrons Protons Electrons Neutrons Positrons ANSWER DOWNLOAD EXAMIANS APP