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Related Questions

  1. C₆H₆ consists of one ring,while naphthalene consists of two rings. Both
  2. The energy of an electron in the nth Bohr orbit of hydrogen atom is
  3. Solubility of MX₂ – type electrolytes is 0.5 ˣ 10⁻⁴ mol/L.,
  4. The maximum valency of an element with atomic number 7 is
  5. Oxidation numbers of P in PO₄³⁻, of S in SO₄²⁻ and that of Cr in Cr₂O₇²⁻