Q. Which of the following is not used as a fluoride compound? (Solved)
1. Sodium fluoride
2. Sodium silico fluoride
3. Hydrofluosilicic acid
4. Sodium fluro carbonate
- d. Sodium fluro carbonate
1. Sodium fluoride
2. Sodium silico fluoride
3. Hydrofluosilicic acid
4. Sodium fluro carbonate