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
flagNigeria
15%
69%
7%
7%
13
flagFrance
33%
66%
0%
0%
18
flagItaly
35%
64%
0%
0%
31
flagRepublic of Ireland
31%
63%
4%
0%
22
flagBelgium
20%
60%
20%
0%
10
flagGermany
30%
58%
6%
3%
111
flagthe Netherlands
44%
55%
0%
0%
27
flagPoland
34%
52%
8%
4%
7352
flagUnknown
29%
52%
8%
8%
34
flagMalaysia
33%
50%
5%
11%
18
flagthe United Kingdom
34%
49%
9%
5%
268
flagNorway
52%
47%
0%
0%
23
flagDenmark
47%
47%
0%
5%
17
flagthe United States
38%
42%
9%
8%
435
flagPakistan
42%
42%
0%
15%
19
flagIndia
40%
38%
11%
8%
264
flagAustralia
48%
37%
5%
8%
37
flagIndonesia
63%
36%
0%
0%
11
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?
1166
41%

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Author: Kasia
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