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Phosphorus is manufactred by heating in ...

Phosphorus is manufactred by heating in an electric furnace a mixture of

A

Bone ash and coke

B

Bone ash and silica

C

Bone ash, silica and coke

D

None of these.

Text Solution

Verified by Experts

The correct Answer is:
C
`2Ca_(3)(PO_(4))_(2)+6SiO_(2)overset(1770K)rarr6CaSiO_(3)+P_(4)O_(10)`
`P_(4)O_(10)+10Coverset(1770K)rarrunderset(White)P_(4)+10CO`
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