GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Electronic instrument which is used to measure alkalinity or acidity of a liquid was invented by
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Dr. Robbert H. Goddard
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William G.Morgan
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George Whatley
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ArnoldOrville Beckman
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Explanation:
Detailed explanation-1: -In October 1934, Arnold Orville Beckman registered the first patent for a complete chemical instrument for the measurement of pH, U.S. Patent No. 2, 058, 761, for his “acidimeter", later renamed the pH meter.
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