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
flagCzech Republic
23%
69%
0%
0%
13
flagNigeria
15%
69%
7%
7%
13
flagFrance
33%
66%
0%
0%
18
flagthe United Arab Emirates
16%
66%
8%
8%
12
flagItaly
35%
64%
0%
0%
31
flagRepublic of Ireland
34%
60%
4%
0%
23
flagGermany
30%
57%
6%
4%
114
flagUnknown
29%
53%
9%
7%
41
flagthe Netherlands
46%
53%
0%
0%
28
flagPoland
34%
52%
8%
4%
7614
flagMalaysia
31%
52%
5%
10%
19
flagthe United Kingdom
34%
49%
8%
5%
279
flagNorway
52%
47%
0%
0%
23
flagDenmark
47%
47%
0%
5%
17
flagthe United States
38%
42%
9%
8%
452
flagPakistan
42%
42%
0%
15%
19
flagAustralia
46%
41%
5%
7%
39
flagIndia
40%
38%
10%
8%
275
flagthe Philippines
50%
34%
3%
9%
32
flagCanada
51%
31%
8%
8%
35

Gender

men54%
women48%
ozone
33%
38%
methane
54%
48%
benzene
8%
8%
ammonia
3%
4%

Language versions

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Which gas is colorless and odorless?
1211
41%

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Author: Kasia
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