Chemistry · Chemical Compounds

Ruby and Sapphire are mineral varieties of which metal oxide?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Chromium oxide
2Iron oxide
3Copper oxide
4Aluminium oxide✓

Correct answer

Aluminium oxide

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Ruby and Sapphire are mineral varieties of which metal oxide?

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Ruby and Sapphire are mineral varieties of which metal oxide?

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