me mark as brainliest answer Compound P forms enamel of teeth. It is the hardest substance of the body. It does not dissolve in water but it is corroded when pH in the mouth is below 5.5. How does toothpaste prevent dental decay?
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Explanation:
(a) The compound 'P' is calcium phosphate.
(b) It undergo damage when the bacteria present in the mouth work on the left over food particles and produce acid.
To prevent tooth decay, toothpastes (basic) are used which neutralises the excess acid
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FOR THE ANSWER PLS REFER TO THE ATTACHMENT.....✔️✔️
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HAVE A NICE DAY.....
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