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Question

To prevent tooth decay, one is advised to brush the teeth regularly. The ingredient of the paste which checks tooth decay is:


A
acidic
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B
basic
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C
neutral
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D
corrosive
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Solution

The correct option is B basic
Tooth decay occurs due to increased acidity inside the mouth. Toothpaste contains mildly basic ingredients that neutralize the acids in the mouth and this prevents degradation of enamel.

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