Q. Consider the following statements:

1. Fluoride used to reduce cavities, comes from a mineral fluorite.
2. Most toothpastes are made white with titanium oxide.
3. The sparkle in some toothpastes comes from mica.

Which of the above is / are correct?
Answer: All of the above
Notes: In toothpaste, abrasive minerals like silica, limestone, aluminium oxide and various phosphate minerals do the cleaning. Fluoride which is used to reduce cavities, comes from a mineral-fluorite. Most toothpastes are made white with titanium oxide, which comes from minerals called rutile, ilmenite and anatase. The sparkle in some toothpastes comes from mica.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.