A) \[CaSi{{O}_{3}}\]
B) \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\]
C) \[MnSi{{O}_{3}}\]
D) \[CaC{{O}_{3}}\]
Correct Answer: B
Solution :
Thomas slag is \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\]. It is used as a fertilizer. It has 14-18% of \[{{P}_{2}}{{O}_{5}}\]. \[6CaO+{{P}_{4}}{{O}_{10}}\xrightarrow{{}}\underset{\begin{smallmatrix} \text{phosphatic}\,\text{slag}\,\text{or}\, \\ \text{Thoms}\,\,\text{slag}\, \end{smallmatrix}}{\mathop{\text{2C}{{\text{a}}_{\text{3}}}{{\text{(P}{{\text{O}}_{\text{4}}}\text{)}}_{\text{2}}}}}\,\]
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