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Which of the following is used in artifi...

Which of the following is used in artificial gems?

A

`SnO_2`

B

`B_2O_3`

C

`Al_2O_3`

D

`PbO_2`

Text Solution

Verified by Experts

The correct Answer is:
C
`Al_2O_3` is used in the preparation of artificial gems.
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