Related Questions

  1. In Lassaigne’s test a violet colour obtained indicates the presence of
  2. What will be the partial pressure of He and O₂, if 200 mL of He at 0.66 atm and 400 mL
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  4. Boron is unable to form BF₆³⁻ because of
  5. The ratio of area covered by second orbital to the first orbital is