Biology · Human Physiology
दांतों का सड़ना (Tooth decay) आमतौर पर किस pH स्तर पर शुरू होता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1pH 5.5 से नीचे✓
- 2pH 7
- 3pH 7 से ऊपर
- 4pH 6
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pH 5.5 से नीचे
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