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Question

The use of pH is in :
  1. soil analysis
  2. medical field
  3. water analysis
  4. all of the above

A
soil analysis
B
medical field
C
all of the above
D
water analysis
Solution
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The use of pH is in soil analysis to test whether the soli is acidic or basic, water analysis to test whether water is pure or not and medical field to calculate the pH of blood, urine samples.

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