Chemistry Which of the following is not an addition polymer Polystyrene Polythene PVC Nylon Polystyrene Polythene PVC Nylon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Which one of the following is a major green house gas? Chloro fluorocarbon Freon Carbon monoxide Carbon dioxide Chloro fluorocarbon Freon Carbon monoxide Carbon dioxide ANSWER DOWNLOAD EXAMIANS APP
Chemistry The electronic configuration of an atom having atomic number ‘20’ is 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 2, 6, 8, 4 2, 8, 8, 2 2, 10, 8 2, 8, 10 ANSWER DOWNLOAD EXAMIANS APP
Chemistry Atomic number is the number equal to Protons None of these Neutrons Electrons Protons None of these Neutrons Electrons ANSWER DOWNLOAD EXAMIANS APP
Chemistry Rutherford’s scattering experiment proved the presence of Neutrons in atoms Electrons in atoms Atoms in all matter Nucleus in atoms Neutrons in atoms Electrons in atoms Atoms in all matter Nucleus in atoms ANSWER DOWNLOAD EXAMIANS APP
Chemistry The molecular mass of a gas is Half its vapour pressure Equal to its vapour pressure Not related to its vapour pressure Twice its vapour pressure Half its vapour pressure Equal to its vapour pressure Not related to its vapour pressure Twice its vapour pressure ANSWER DOWNLOAD EXAMIANS APP