pH Scale

pH Scale: Bio SOL Review

Substances with a pH above 7 are called Bases. Substances with a pH of 7 are Neutral. Water is the only neutral substance.

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Substances with a pH below 7 are called Acids.​

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More of pH Scale:​

The pH scale actually measure the amount of hydrogen ions (H+) that are present in a solution. pH could stand for "The Power of Hydrogen". The lower the pH value, the greater the amount of hydrogen ions (H+) present in the solution.

Multiple Choice

Substances with a pH below 7 are..

• acids

• bases

• neutral

Multiple Choice

Substances with a pH above 7 are called..

• acids

• bases

• neutral

• hydrogens

Multiple Choice

Substances with a pH of 7 are..

• acids

• bases

• hydrogens

• neutral

Multiple Choice

The lower the pH value, the __ the amount of hydrogen ions are present in the solution.

• lower

• more neutral

• greater