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Thomasslag contains . . . . . . . . % P2O5
Answer & Solution
Correct Answer:
Option
C
Thomas slag is a finely powdered basic slag obtained in the Thomas-Gilchrist process. Chemically it is tetra calcium phosphate, Ca4 (PO4)2O, (4CaO·P2O5).
It is found as the mineral hilgenstockite, which is formed in industrial phosphate-rich slag. It contains 20% of P2O5.
It is found as the mineral hilgenstockite, which is formed in industrial phosphate-rich slag. It contains 20% of P2O5.
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