When chromite ore is heated with $N a_{2} C O_{3}$ powder in the presence of air

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one product is water insoluble which is dark brown in colour

one product is water soluble which is red in colour

one product is water soluble which is yellow in color

One gaseous product is formed

answer is A.

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Detailed Solution

$F e C r_{2} O_{4} + N a_{2} C O_{3} \to_{Δ}^{O_{2}} \underset{\underset{\underset{H_{2} O}{S o l i n}}{Y e l l o w}}{N a_{2} C r O_{4}} + \underset{(B r o w n)}{F e_{2} O_{3}} + C O_{2} ↑$

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