Chemistry The antiparticle of an electron is Positron Alpha particles Beta particles Proton Positron Alpha particles Beta particles Proton ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is an iron ore ? Nitrite Lignite Magnetite Bauxite Nitrite Lignite Magnetite Bauxite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The gas used to dilute oxygen for breathing by deep sea divers is: Neon Argon Helium Nitrogen Neon Argon Helium Nitrogen ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following in automobile exhaust can cause cancer? Lead Oxides of nitrogen Polyclinic hydrocarbons Carbon monoxide Lead Oxides of nitrogen Polyclinic hydrocarbons Carbon monoxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry Copper is refined by Oxidation Zone refining Roasting Electrolysis Oxidation Zone refining Roasting Electrolysis ANSWER DOWNLOAD EXAMIANS APP
Chemistry The chemical(s) most commonly used for cloud seeding or ‘artificial rainmaking’ is/are Silver Iodide Dry ice or frozen carbon dioxide All listed here Sodium Chloride Silver Iodide Dry ice or frozen carbon dioxide All listed here Sodium Chloride ANSWER DOWNLOAD EXAMIANS APP