AP BIOLOGY

BIOCHEMISTRY

PH

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which is considered neutral?
A
pH of 4
B
pH of 9
C
pH of 14
D
pH of 7
Explanation: 

Detailed explanation-1: -The range goes from 0-14, with 7 being neutral. pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base.

Detailed explanation-2: -These ion concentrations are equal in pure water, which has a pH of 7. This pH value of 7 is important because it indicates a neutral solution. All other substances are compared to this neutral point. Any solution that has a pH of less than 7 is considered acidic, and anything above a pH of 7 is basic.

Detailed explanation-3: -The pH of pure water is seven. Concentration of hydroxide ion and hydrogen ion is equal in pure water making it neutral.

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