Why is Mica used in toothpaste ?

It makes toothpaste white

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It makes toothpaste sparkle

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It makes toothpaste soft

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None of these

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Solution

The correct option is B It makes toothpaste sparkle
In opaque toothpaste, hydrated silica acts as a secondary abrasive.
Mica is from the phyllosilicate mineral family — powdered white mica is used in a number of cosmetics, including toothpaste, for its sparkle.
It is also used as a mild abrasive to aid in polishing of the tooth surface.

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