Element Compound
Titanium Chalk
Mercury Sugar
Methane Ammonia
Which substance is listed incorrectly in the given table?
A) chalk
B) sugar
C) methane
D) titanium

Dear Student, Your question seems to be unclear because there is an error. So, Assumption taken that the question is, Which substance is listed incorrectly in the given Options? ..... Titanium is the correct answer because Titanium is only an element in the given options whereas all other options Chalk, Sugar and Methane are compounds. So, Option (D) is correct. ..... Hope it helps. Regards.