What are Rubies and Sapphires chemically known as? Options: A . &nbspSilicon dioxide B . &nbspAluminium oxide C . &nbspLead tetroxide D . &nbspBoron nitride

What are Rubies and Sapphires chemically known as?

Question

What are Rubies and Sapphires chemically known as?

Options:

A . Silicon dioxide

B . Aluminium oxide

C . Lead tetroxide

D . Boron nitride

Answer: Option B
:
B
Option:(b)

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