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Neutralisation Reaction

If pH of mout...

Question

If pH of mouth falls below 7.5, the enamel gets corroded.

A

Rancidity

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B

Corrosion

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Solution

The correct option is B Corrosion
White enamel coating of our teeth is calcium phosphate, the hardest substance in our body. It does not dissolve in water. If pH of mouth falls below 5.5, the enamel gets corroded. Toothpastes which are generally basic and used for cleaning the teeth can neutralize the excess acid and prevent tooth decay.

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