Which gas is colorless and odorless?

ozone
methane
benzene
ammonia
Methane is the main com­po­nent of natural gas piped into homes for domestic heating and cooking pur­pos­es. In order to assist in de­tect­ing leaks, a sul­phur-­like odorant is added the gas used by con­sumer­s.

Answers distribution

ozone
methane
benzene
ammonia
answers
flagItaly
35%
64%
0%
0%
31
flagRepublic of Ireland
33%
62%
4%
0%
24
flagGermany
29%
57%
6%
5%
122
flagthe Netherlands
44%
55%
0%
0%
36
flagFrance
30%
52%
13%
4%
23
flagPoland
34%
51%
8%
4%
9693
flagNorway
48%
51%
0%
0%
31
flagMalaysia
33%
50%
4%
12%
24
flagSweden
38%
50%
5%
5%
18
flagUkraine
25%
50%
18%
6%
16
flagthe United Kingdom
34%
49%
7%
6%
341
flagNigeria
38%
47%
4%
9%
21
flagDenmark
47%
47%
0%
5%
17
flagUnknown
41%
42%
8%
6%
373
flagthe United States
38%
41%
10%
9%
504
flagAustralia
43%
41%
4%
10%
48
flagIndia
41%
36%
11%
9%
331
flagPakistan
42%
36%
6%
15%
33
flagthe Philippines
50%
34%
2%
10%
38
flagCanada
51%
30%
6%
11%
43

Gender

men49%
women47%
ozone
36%
39%
methane
49%
47%
benzene
8%
8%
ammonia
5%
4%

Language versions

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Which gas is colorless and odorless?
1459
39%

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Author: Kasia
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