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#1 2018-01-16 05:39:41

shakeel123
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Who of the following invented the pH Meter?

World GK Exams Quizzes MCQs Quizzes Famous Inventors and Their Inventions Info Quiz Online Test

Question:
Who of the following invented the pH Meter?

Option A):
rancis Beaufort
Option B):
Ulugh Beg
Option C):
Muhammad ibn Jabir al-Harrani al-Battani
Option D):
Arnold O. Beckman

Correct Answer is Option D):
Arnold O. Beckman


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2018-01-16 05:39:41

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Re: Who of the following invented the pH Meter?



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