Science · Chemistry
मानक दिशानिर्देशों के अनुसार पीने के पानी का पीएच (pH) मान कितना होना चाहिए?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110.5–11.5
- 29.0–10.0
- 36.5–8.5✓
- 45.0–6.0
सही उत्तर देखें
6.5–8.5
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