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  1. A zinc rod is place in 0.095 M solution of zinc sulphate at 298 K, the potential
  2. Sea weeds are an important source of
  3. The following composition is known as “Bordeaux mixture”.
  4. In the chemical reaction 2SO₂ + O₂ ⇌ 2SO₃, increasing the total pressure leads to
  5. HSO₄⁻ + OH⁻ → SO₄²⁻ + H₂O. which is correct about conjugate acid – base pair