Question: More than 95% of __________ is present in corrundum.
[A].SiO2
A12O3
CaSiO2
MgO
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.