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 Form 3 Nitrogen and Its Compounds Questions and Answers

The set-up in Figure 4 can be used to prepare nitrogen(II) oxide. Use it to answer the questions that follow.
(a) Name substance A
(b) When the gas jar containing nitrogen(II) oxide is exposed to air, a brown colour is observed. Explain.
(c) Write an equation for the reaction which occurred in the flask.

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