Q. Methane is a colourless, odourless, non-toxic but flammable gas. What is its common name?
Answer:
Marsh gas
Notes: The common name of methane CH4 is Marsh gas, especially as generated by decaying matter in marshes.
- Marsh gas has no color or odor.
- It is lighter than air and has a specific gravity of 0.554.
- It is only slightly soluble in water but is more soluble in ethyl alcohol and ethyl ether.
- It is generally very stable.
- It burns readily in air and produces carbon dioxide and water vapor.