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GK
ENGLISH
CURRENT AFFAIRS
APTITUDE
BANKING
UGC NET
REASONING
COMPUTER SC.
COURSES
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Sports GK Questions and Answers 2024 (Latest Updated)
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Question
Ruby and sapphire are oxides of
A
Iron
B
Tin
C
Copper
D
Aluminium
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Answer & Explanation
Answer: Option [D]
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