Chemistry / Acidic and Basic Oxides (Anhydrides)
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Solution: Normal rainwater does not have a pH of 7.0. What is the reas...

Question

Normal rainwater does not have a pH of 7.0. What is the reason?

a) CaO combines with H2O to form an acid

b) CO2 combines with H2O to form a hydroxide

c) CO2 combines with H2O to form an acid

d) CaO combines with H2O to form a hydroxide

e) CO2 and CaO combine in a neutralization reaction