Question

A gas turbine is filled with pure methane for use as a fuel. which term or terms could be used to describe the contents of this gas turbine?

Answer 1

The term that can be used to describe the content of the gas turbine is "pure methane". This means that the gas turbine is composed of 100% methane and nothing else. Although it must be noted that some of the fuels are only methane-rich but not 100% methane. 

Answer 2

Answer:

pure chemical substance and compound

Explanation:

All compounds are pure. If this sample of methane  ( CH4 ) had been impure, we would call it a mixture, not a compound.