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%
124
flagthe Netherlands
43%
56%
0%
0%
37
flagFrance
30%
52%
13%
4%
23
flagPoland
34%
51%
8%
4%
9948
flagNorway
48%
51%
0%
0%
31
flagSweden
38%
50%
5%
5%
18
flagUkraine
25%
50%
18%
6%
16
flagthe United Kingdom
35%
49%
8%
6%
348
flagMalaysia
32%
48%
8%
12%
25
flagDenmark
47%
47%
0%
5%
17
flagNigeria
41%
45%
4%
8%
24
flagthe United States
37%
43%
9%
9%
559
flagUnknown
41%
43%
8%
6%
386
flagAustralia
44%
40%
4%
10%
49
flagIndia
40%
37%
10%
10%
366
flagPakistan
41%
36%
5%
13%
36
flagCanada
48%
33%
6%
11%
45
flagthe Philippines
47%
33%
2%
14%
42

Gender

men49%
women47%
ozone
35%
39%
methane
49%
47%
benzene
8%
8%
ammonia
5%
4%

Language versions

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Which gas is colorless and odorless?
1580
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Author: Kasia
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