Chemistry 5070 · O Level · The characteristic properties of acids and bases

The characteristic properties of acids and bases — practice question

A farmer applied ammonium nitrate, a nitrogenous fertiliser, to a field. On the following day, he applied calcium hydroxide to that same field. As a result, nitrogen was lost from the ammonium nitrate. Which chemical reaction took place?

  • AThe calcium ions reacted with the ammonium ions, producing ammonia gas.
  • BThe calcium ions reacted with the nitrate ions, producing oxides of nitrogen.
  • CThe hydroxide ions reacted with the ammonium ions, producing ammonia gas.
  • DThe hydroxide ions reacted with the nitrate ions, producing oxides of nitrogen.

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