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The uncertainty principle and the concept of wave nature of matter was proposed by ...... and ...... respectively:
(1) Heisenberg, de Broglie
(2) de-Broglie, Heisenberg
(3) Heisenberg, Planck
(4)Planck, Heisenberg
Ans: Heisenberg, de Broglie
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The atom of the element having atomic number 14 should have: (1) One unpaired electron (2) Two unpaired electrons (3) Three unpaired electrons (4) Four unpaired electr
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Potassium permanganate is prepared from pyrolusite (MnO 2 ) . Pyrolusite is fused with KOH in the presence of atmospheric oxygen or an oxidising agent like potassium nitrate or po
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