Chemistry · Equilibrium
प्रयोगशाला में pH का सटीक निर्धारण निम्नलिखित में से किस उपकरण का उपयोग करके किया जाता है?
- 1विस्कोमीटर
- 2रिफ्रैक्टोमीटर
- 3इलेक्ट्रोमेट्रिक pH मीटर✓
- 4थर्मामीटर
सही उत्तर देखें
इलेक्ट्रोमेट्रिक pH मीटर
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