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During Aluminothermy one mole of Cr(2)O(...

During Aluminothermy one mole of `Cr_(2)O_(3)` reduced to Cr. How many no. of the moles of Al required.

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The correct Answer is:
2
Alluminothermite process is `Cr_(2)O_(3)+2Al to Al_(2)O_(3)+2Cr` the number of moles of Al are required will be 2.
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