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.

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Answers by country

Romania

27%

72%

Switzerland

40%

55%

Greece

25%

50%

18%

Poland

39%

46%

10390

the United Arab Emirates

41%

the United Kingdom

40%

10%

209

Australia

38%

40%

13%

Unknown

43%

40%

Germany

51%

39%

164

Nigeria

39%

10%

the United States

40%

37%

10%

580

Pakistan

45%

37%

10%

the Netherlands

64%

35%

India

47%

30%

11%

10%

568

Ghana

53%

30%

Canada

60%

23%

Malaysia

55%

22%

11%

Austria

51%

22%

18%

the Philippines

42%

21%

26%

Singapore

71%

14%

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