__________ is the hardest oxide and is hence used where high wear resistance at high temperature is required.?

Beryllia
Zirconia
Alumina
Magnesia

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 3

Let'

4 views Answered 2022-09-01 13:21

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