Science · Chemistry
अम्लता या क्षारीयता को मापने के लिए pH मान और पैमाने का निर्धारण किसने किया था?
- 1एस. पी. एल. सॉरेन्सन✓
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- 4एस. एन. बोस
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एस. पी. एल. सॉरेन्सन
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