Chemistry · Acids, Bases and Salts
Which of the following is an INCORRECT statement related to dental health?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Toothpaste, which is generally acidic, prevents tooth decay.✓
- 2Tooth decay starts when the pH of the mouth is lower than 5.5.
- 3Bacteria present in the mouth produce acids by degradation of sugar and food particles remaining in the mouth after eating.
- 4Tooth enamel, made up of calcium hydroxyapatite, is the hardest substance in the body.
Correct answer
Toothpaste, which is generally acidic, prevents tooth decay.
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