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Related Questions

  1. Which one of the following statements is incorrect with regard to ortho and para
  2. Which of the following processess are not used for the purification of solid
  3. A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
  4. At 298 K the enthalpy of formation of liquid water is -285.9 kJ/mol
  5. In liquid-gas equilibrium,the pressure of vapours above the liquid is constant