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What is the main purpose of keeping toothpaste mildly basic?

Answer and explanation

Correct answer: To reduce acids formed in the mouth

Bacteria acting on food particles in the mouth can produce acids. These acids lower mouth pH and may gradually weaken tooth enamel. Mildly basic substances in toothpaste can neutralise or reduce some of this acidity, helping restore a less acidic environment during cleaning. Thus option A states the purpose correctly. Toothpaste is not intended to acidify teeth, convert them into salt, or stop saliva, so B, C, and D are unsuitable.

Related tags

ScienceClass10ToothpasteBasicityOral-HealthAcidsBasesAnd SaltsAcids Bases And SaltsChemical Substances – Nature And Behaviour

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