Multiple choice Which of the following is a pair of titanium ores? Pyrolusite and Rutile Pentlandite and Pyrolusite Pentlandite and Ilmenite Rutile and Ilmenite Rutile and Pentlandite Reveal answer Fill a bubble to check yourself D Correct answer Explanation Rutile (TiO2) and Ilmenite (FeTiO3) are titanium ores.