CH-350
Acid rain
Chemistry · Secondary 3 · Medium · Acid rain
Which statement explains why nitrogen dioxide, NO₂, can contribute to acid rain?
- It dissolves in rainwater and reacts with oxygen to form nitric acid.
- It reacts with nitrogen in the air to form harmless nitrogen gas.
- It neutralises carbon dioxide in rainwater, forming neutral solutions.
- It condenses to form solid particles that do not dissolve in water.
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