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Assertion : Out of CrO(3)& Al(2)O(3), Cr...

Assertion : Out of `CrO_(3)& Al_(2)O_(3), CrO_(3)` having lower melting point than `Al_(2)O_(3)`.
Reason: Oxidation state of Cr in `CrO_(3)` is high

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Both Assertion and reason are correct but reason is not correct explanation of assertion.
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