Which of these substances have a higher pH than pure water?

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pure water has ph of 7, i.e. [h^+] = [oh^-]

a) lye chemically known naoh, strong base. it's ph > 7

b) acidic, ph < 7

c) citric acid, ph < 7

d) apples contain malic acid, ph < 7

ans: a) lye

which of these substances have higher ph pure water?

a) lye
b) acid rain
c) lemon juice
d) apple


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