Who gave the atomic theory ?, Newton, John Dalton, Rutherford, Thomson, The SI unit of mass is :, Gram, Mole, Kilogram, Milligram, The atomicity of oxygen (O2 ) is :, 1, 2, 3, 4, Which of the following is a triatomic molecule ?, O2, HCl, H2O, NaCl, Which of the following has the smallest particle size ?, Molecule, Atom, Ion, Compound

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