Phosphorus is manufactred by heating in an electric furnace a mixture ofA. Bone ash and cokeB. Bone ash and silicaC. Bone ash, silica and cokeD. None of these

Phosphorus is manufactred by heating in an electric furnace a mixture

1.	Phosphorus is manufactred by heating in an electric furnace a mixture ofA. Bone ash and cokeB. Bone ash and silicaC. Bone ash, silica and cokeD. None of these
Answer» Correct Answer - C `2Ca_(3) (PO_(4))_(2) ("from bone -ash") + 10C + 6SiO_(2) overset(Delta)rarr 6CaSiO_(3) + 10CO + P_(4)(s)` white phosphorus

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Phosphorus is manufactred by heating in an electric furnace a mixture ofA. Bone ash and cokeB. Bone ash and silicaC. Bone ash, silica and cokeD. None of these

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