To protect tooth decay we are advised to brush our teeth regularly. The nature of the toothpaste commonly used is
  1. acidic
  2. neutral
  3. basic
  4. corrosive

AcademicChemistryNCERTClass 10

Correct Answer: (c) basic 

Explanation: Teeth become acidic in nature because of bacterial activity in the mouth. Hence, toothpaste will be basic in nature to neutralize its activity.
raja
Updated on 10-Oct-2022 13:27:12

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