A) \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}.2{{H}_{2}}O\]
B) \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}.CaSi{{O}_{3}}\]
C) \[MgSi{{O}_{3}}\]
D) \[CaSi{{O}_{3}}\]
Correct Answer: B
Solution :
Thomas slag is also called as phosphatic slag. It is a mixture of calcium phosphate and calcium silicate. It is used as manure. Chemically it is \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}.CaSi{{O}_{3}}.\]
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