Which acid mostly contributes to acid rains?

hydrochloric acid
sulfuric acid
nitric acid
citric acid
The most im­por­tant gas which leads to acid­i­fi­ca­tion is sulfur dioxide, coming from fossil fuel com­bus­tion and industry (and, in lesser amounts, from vol­ca­noes and wild­fires). In recent years, emis­sions of nitrogen oxides which are oxidized to form nitric acid are of in­creas­ing im­por­tance due to stricter controls on emis­sions of sulfur con­tain­ing com­pound­s.

Answers distribution

hydrochloric acid
sulfuric acid
nitric acid
citric acid
answers
flagAustria
0%
92%
7%
0%
13
flagMalaysia
0%
88%
11%
0%
18
flagRepublic of Ireland
0%
84%
15%
0%
13
flagFrance
6%
80%
13%
0%
15
flagUnknown
9%
78%
12%
0%
33
flagPoland
4%
77%
14%
1%
8268
flagthe United Kingdom
6%
77%
13%
1%
294
flagNorway
4%
76%
16%
4%
25
flagGermany
5%
75%
16%
1%
95
flagItaly
0%
73%
26%
0%
15
flagAustralia
9%
70%
14%
2%
41
flagthe United Arab Emirates
6%
68%
18%
0%
16
flagIndia
9%
67%
20%
0%
246
flagSingapore
8%
66%
25%
0%
12
flagthe United States
14%
65%
15%
2%
533
flagthe Netherlands
4%
65%
26%
4%
23
flagPakistan
15%
61%
23%
0%
26
flagCanada
6%
60%
32%
0%
43
flagRussia
10%
57%
26%
0%
19
flagthe Philippines
22%
54%
14%
2%
35

Gender

men79%
women74%
hydrochloric acid
4%
4%
sulfuric acid
79%
74%
nitric acid
15%
19%
citric acid
1%
1%

Details

Author: Cleo
Illustration: Paul Chiorean
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