Chemistry Which mineral is the ore of aluminium ? Bauxite Haematite Siderite Magnetite Bauxite Haematite Siderite Magnetite ANSWER DOWNLOAD EXAMIANS APP
Chemistry The process of improving the quality of rubber by heating it with sulphur is called. Galvanization Vulcanization Sulphonation Acceleration Galvanization Vulcanization Sulphonation Acceleration ANSWER DOWNLOAD EXAMIANS APP
Chemistry The source of energy that causes the least global warming is Natural Gas Petroleum Coal Geothermal energy Natural Gas Petroleum Coal Geothermal energy ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which metal is the heaviest in periodic table among the following ? Pt W Pb Os Pt W Pb Os ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following is used in welding broken pieces of iron rails and machine parts? Solder Aluminium powder Aluminium sulphate None of these Solder Aluminium powder Aluminium sulphate None of these ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which of the following has no unit Ionization energy Electronegativity Excitation potential Electron affinity Ionization energy Electronegativity Excitation potential Electron affinity ANSWER DOWNLOAD EXAMIANS APP
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