Which of the following is normally used for drying ammonia gas?

Chemistry WAEC 1990

Which of the following is normally used for drying ammonia gas?

  • Concentrated tetraoxonitrate (Vl) acid
  • Calcium oxide checkmark
  • anhydrous calcium chloride
  • phosphorus (V) oxide
  • anhydrous copper (ll) tetraoxosulphate (VI)

The correct answer is: B

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