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Q. An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is
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Q. Rutherford’s scattering experiment proved the presence of
Q. Dry distillation of calcium formate gives
Q. The metal used to recover copper from a solution of copper sulphate is
Q. Which of the following is a compound?
Q. Aluminium is extracted from bauxite
Q. The number of unpaired electrons in carbon atom is
Q. The reaction which converts sugar solution into alcohol is an example of
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