1.

______ is not one of the ingredients of toothpaste.A. FluorideB. Sodium carbonateC. Calcium carbonateD. Magnesium carbonate1. C2. A3. D4. B

Answer» Correct Answer - Option 4 : B

The correct answer is Sodium carbonate.

  • A toothpaste is defined as a semi-solid material for removing naturally occurring deposits from teeth and is supposed to be used simultaneously with a toothbrush.
  • Toothpaste generally contains the following components:
    • Water (20–40%)
    • Abrasives (50%) including aluminum hydroxide, calcium hydrogen phosphates, calcium carbonate, magnesium carbonate, silica, and hydroxyapatite.
    • Fluoride (usually 1450 ppm) mainly in the form of sodium fluoride.


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