The gas evolved on heating

Question:

The gas evolved on heating $\mathrm{CaF}_{2}$ and $\mathrm{SiO}_{2}$ with concentrated $\mathrm{H}_{2} \mathrm{SO}_{4}$, on hydrolysis gives a white gelatinous precipitate. The precipitate is:

  1. silica gel

  2. silicic acid

  3. hydrofluosilicic acid

  4. calciumfluorosilicate


Correct Option: , 2

Solution:

Leave a comment

Close

Click here to get exam-ready with eSaral

For making your preparation journey smoother of JEE, NEET and Class 8 to 10, grab our app now.

Download Now