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What does it mean when ph is slightly acidic?

a. 7.1 - 9.0
b. 1.0 - 4.9
c. 7.0
d. 5.0 - 6.9?

User Martis
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1 Answer

5 votes
D. Slightly acidic is 5.0 to 5.5
User Elcudro
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