A) hydrofluosilicic acid
B) silica gel
C) silicic acid
D) calciumfluorosilicate
Correct Answer: D
Solution :
[d] \[2Ca{{F}_{2}}+Si{{O}_{2}}+{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}\] \[Si{{F}_{4}}+{{H}_{2}}O+CaS{{O}_{4}}\xrightarrow{hydrolysis}CaSi{{F}_{4}}\]You need to login to perform this action.
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