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Mechanical Engineering · Q163

Engineering Materials

Engineering and GATE · Mechanical Engineering · question 163

Q163

Corundum contains more than 95%

A.
Steel
B.
Al2O3
Answer
C.
SiO2
D.
MgO

Answer: Option B

Solution

Answer: Option B
Solution:
Corundum is a crystalline form of aluminium oxide (Al2O3) typically containing traces of iron, titanium, vanadium and chromium. It is a rock-forming mineral.
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