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B
The red color of ruby is due to the presence of
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C
is an amphoteric oxide
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D
is an oxidizing agent
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Solution
The correct option is B
The red color of ruby is due to the presence of
The correct option is (b)
The Explanation for the correct options:
(b)
Chromium atoms absorb certain wavelengths of light and reflect light in the red region of the visible light spectrum when aluminium is replaced by chromium in corundum. Your eyes see this reflected red light, which is what gives rubies their characteristic red coloration.