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Question
An acid is:
a. a bitter tasting chemical compound that has a pH value below 7.0, changes blue litmus to red, yields hydrogen ions in water.
b. a bitter tasting chemical compound that has a soapy feel and a pH value above 7.0, changes red litmus blue and yields hydroxyl ions.
c. a bitter tasting chemical compound that has a soapy feel and a pH value between 0 and 14, changes green litmus blue and yields hydroxyl and hydrogen ions.
d. a sweet tasting chemical solution that has a fluctuating pH value, changes orange litmus green, yields sodium ions above the 50 percentile range.
Answer
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