Essential Concepts and Substances Quiz

Change of liquid into its solid form

Change of vapour form of a substance into liquid form on cooling (correct)

Change of liquid into gas form

Change of solid into its vapour form

Compressed nitrogen gas

Condensed nitrogen gas

Compressed natural gas (correct)

Carbonated natural gas

Fuels formed from chemical reactions in the atmosphere

Fuels formed from decomposition of living things over millions of years (correct)

Fuels formed from synthetic processes in laboratories

Fuels formed from volcanic eruptions