Related Questions

  1. The catalyst used in the manufacture of H₂SO₄ by contact process is
  2. A certain mass of gas occupies a volume of 300 c.c. at 27⁰C and 620 mm pressure
  3. If active mass of a 6% solution of a compound is 2, its molecular weight will be
  4. Which pair of atomic numbers represents s-block elements?
  5. The H – O – O bond angle in H₂O₂ is