36. The term ‘combustible ice’ was in news recently. Which of the following statements rightly describes it?
b) It is a frozen mixture of water and concentrated natural gas
Explanation:
Commercial development of the globe’s huge reserves of a frozen fossil fuel known as “combustible ice” has moved closer to reality after Japan and China successfully extracted the material from the sea floor off their coastlines.
Combustible ice is a frozen mixture of water and concentrated natural gas. Technically known as methane hydrate, it can be lit on fire in its frozen state and is believed to comprise one of the world’s most abundant fossil fuels.