Acid Rain Flashcards
1
Q
What is acid rain?
A
A type of acid deposition that appears in different forms such as wet deposition (rain, sleet or snow that has become more acidic than ordinary) and dry deposition (where gas particles become acidic).
2
Q
What chemicals make acidic rain?
A
Sulphur dioxide and nitrous oxides.
3
Q
Where do the chemicals come from that form acid rain?
A
They come from coal-fired power stations and car exhausts.
4
Q
What is the pH of normal rain and at what level does the pH become dangerous (acid rain)?
A
The pH of normal rain is naturally slightly acidic (between 5-6). The pH of acidic rain can get as low as 3.3.