Organic Compound Used as Fuel Gas
This page is the CodyCross answer for the clue below from Ancient Egypt, Group 190, Puzzle 1 (Black and Red Land).
Question is: Organic Compound Used as Fuel Gas
and the answer is: BUTANE
Word Meaning:
BUTANE — (organic chemistry) A hydrocarbon (either of the two isomers of C₄H₁₀, n-butane and 2-methylpropane) found in gaseous petroleum fractions.
Definitions from Wiktionary.