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(A) In the industrial production of phosphorus,calcined phosphate rock (calcium phosphate) is heated with coke and sand in an electric furnace at $177

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Phosphorus

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(A) In the industrial production of phosphorus,calcined phosphate rock (calcium phosphate) is heated with coke and sand in an electric furnace at $1773 \ K$. The chemical reaction is: $2Ca_3(PO_4)_2 + 6SiO_2 + 10C \rightarrow 6CaSiO_3 + 10CO + P_4$. Here,$P_4$ (white phosphorus) is the main product,while $CaSiO_3$ (calcium silicate) is formed as a slag. Among the given options,phosphorus is the correct product.

Which of the following is one of the products obtained when calcined phosphate rock is reduced with coke and sand in an electric furnace at $1773 \ K$?

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