Related Questions

  1. Copper pyrite, the chief ore of copper, is
  2. Which one of the following does not involve coagulation
  3. The solubility product of a sparingly soluble salt AX₂ is 3.2 ˣ 10⁻¹¹.
  4. If the adsorbate is held on a surface by weak Van der Walls forces
  5. Which one of the alkali metals, forms only, the normal oxide, M₂O on heating