Related Questions

  1. Which one of the following statements concerning lanthanides elements is false
  2. The absolute enthalpy of neutralisation of the reaction
  3. For a chemical reaction X → Y,it is found that rate of the reaction is increased
  4. The solubility of saturated solution of calcium fluoride is 2 ˣ 10⁻⁴ moles
  5. The secondary precursors of photochemical smog are