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.
Cleo
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Very interesting!
reach: rather globalacidsairchemistrycloudsecologynaturepollution

Answers by country

hydrochloric acid
sulfuric acid
nitric acid
citric acid
answers
flagAustria
2%
82%
14%
0%
41
flagMalaysia
10%
79%
10%
0%
39
flagPoland
5%
76%
15%
1%
14253
flagAustralia
10%
75%
9%
2%
95
flagthe United Kingdom
11%
74%
9%
2%
276
flagKazakhstan
6%
70%
16%
6%
30
flagGermany
11%
69%
14%
3%
220
flagSingapore
13%
68%
17%
0%
29
flagUnknown
10%
65%
18%
2%
38
flagthe United States
16%
60%
17%
2%
861
flagIndia
10%
60%
26%
1%
796
flagRussia
12%
60%
25%
0%
148
flagUkraine
10%
58%
25%
3%
241
flagthe Philippines
18%
58%
17%
1%
87
flagNigeria
18%
58%
16%
4%
48
flagItaly
23%
58%
12%
5%
39
flagCanada
13%
56%
29%
0%
65
flagPakistan
21%
53%
19%
3%
88
flagSwitzerland
15%
51%
25%
5%
39
flagBelarus
21%
40%
37%
0%
37