S1Y4N1G2A1S1
10 points
SYNGAS is validvalid
a mixture of carbon monoxide and hydrogen used in chemical synthesis [n SYNGASES, SYNGASSES]
a mixture of carbon monoxide and hydrogen [n SYNGASES or SYNGASSES]
a mixture of carbon monoxide and hydrogen used in chemical synthesis [n SYNGASES, SYNGASSES]
a mixture of carbon monoxide and hydrogen [n SYNGASES or SYNGASSES]