Related Questions

  1. Ortho and para-hydrogen have
  2. Which has maximum number of molecules
  3. If 1 mL of water contains 20 drops then number of molecules in a drop of water
  4. A hydrocarbon contains 20% hydrogen and 80% carbon.The empirical formula is
  5. The number of optical isomers formed by hydrogenation of the compound (CH₃)₂C=CHCH₃