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Which of the following reagents, when mixed and heated with ammonium nitrate, produces ammonia gas? A limewater B dilute hydrochloric acid C limestone D dilute nitric acid

Question

Which of the following reagents, when mixed and heated with ammonium nitrate, produces ammonia gas? A limewater B dilute hydrochloric acid C limestone D dilute nitric acid

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Solution

The reagent that, when mixed and heated with ammonium nitrate, produces ammonia gas is B - dilute hydrochloric acid.

Here's the step-by-step process:

  1. When ammonium nitrate (NH4NO3) is heated, it decomposes into nitrous oxide (N2O) and water (H2O). The reaction is: NH4NO3(s) → N2O(g) + 2H2O(g)

  2. If you then add dilute hydrochloric acid (HCl), it reacts with the ammonium nitrate to produce ammonia gas (NH3), nitric acid (HNO3), and water (H2O). The reaction is: NH4NO3 + HCl → NH3(g) + HNO3 + H2O

So, the correct answer is B - dilute hydrochloric acid.

This problem has been solved

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