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Question

When FeCr2O4 is fused with Sodium Carbonate in the presence of air, we get


A
Sodium dichromate
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B
Sodium oxide
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C
Sodium chromate
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D
Mixed oxide of Sodium and Chromium
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Solution

The correct option is C Sodium chromate
FeCr2O4 from Chromite ore is fused with Sodium Carbonate in the presence of air/oxygen to give Sodium Chromate, Iron (III) Oxide and CO2.
4FeCr2O4+8Na2CO3+7O28Na2CrO4+2Fe2O3+8CO2

Chemistry

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