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
flagCzech Republic
23%
69%
0%
0%
13
flagItaly
35%
64%
0%
0%
31
flagRepublic of Ireland
33%
62%
4%
0%
24
flagFrance
30%
60%
5%
5%
20
flagGermany
30%
58%
5%
4%
118
flagthe Netherlands
44%
55%
0%
0%
29
flagPoland
34%
52%
8%
4%
8300
flagMalaysia
33%
52%
4%
9%
21
flagthe United Kingdom
35%
50%
8%
5%
300
flagUnknown
34%
50%
8%
6%
150
flagDenmark
47%
47%
0%
5%
17
flagSweden
38%
46%
7%
7%
13
flagNorway
54%
45%
0%
0%
24
flagPakistan
36%
45%
4%
13%
22
flagthe United States
38%
42%
9%
8%
469
flagAustralia
46%
41%
5%
7%
39
flagIndia
41%
37%
11%
9%
290
flagthe Philippines
50%
34%
3%
9%
32
flagCanada
50%
32%
7%
10%
40

Gender

men52%
women48%
ozone
34%
38%
methane
52%
48%
benzene
8%
8%
ammonia
4%
4%

Language versions

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Which gas is colorless and odorless?
1281
41%

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Author: Kasia
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