Chemistry · Acids, Bases and Salts
Tooth decay typically starts when the pH value of the mouth becomes:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Greater than 7.5
- 2Between 5.5 and 7.5
- 3Greater than 5.5
- 4Lower than 5.5✓
Correct answer
Lower than 5.5
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