CSEC Chemistry · May/June 2006 · Paper 2 · Question 5(a)(iv)

A student produces ammonia in the laboratory by adding Liquid Y to Solid W and warming as shown in Figure 5. Damp blue litmus is used to identify the ammonia produced.

Instead of the litmus test used above, describe ONE OTHER chemical test that can be used to identify ammonia gas. Write a balanced equation to represent the chemical test you have described.

This question uses a figure or table from the paper — you'll see it when you practise.