MCQ
pH शब्द किसने दिया
  • सोरेन्सन
  • B
    ब्रेडी
  • C
    ब्रेमनर
  • D
    नेल्सन एवं टिस्डेल

Answer

Correct option: A.
सोरेन्सन
सोरेन्सन

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