Which item is not considered to have a basic pH?

a. Seawater
b. Black coffee
c. Household ammonia
d. Baking soda


ANS: B
Many of the foods and liquids we consume are acidic. Black coffee and sodas are acidic. Seawater and
the other items listed above are alkaline, or basic solutions. Information can be found in the section
The Ocean's Acid-Base Balance Varies with Dissolved Components and Depth.

Environmental & Atmospheric Sciences

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