Question

A substance is tested and has a ph of 7.0. how would you classify it? a. a strong acid b. a strong base c. a weak acid d. neutral

Answer 1

A substance is tested and has a Ph of 7.0. It would be a weak acid.

The correct option is (c) a weak acid .

What is the nature of substance if the pH is less than 7?

• Acidity is defined as pH below 7. More than 7 pH is considered basic.
• Each whole pH number below 7 is ten times more acidic than the next higher value since the pH scale is logarithmic.
• For instance, pH 4 is 100 times (10 times 10) more acidic than pH 6, while pH 5 is ten times (10 times) more acidic than pH 4.

What is pH?

• The pH scale determines how acidic or basic water is.
• The range is 0 to 14, with 7 representing neutrality.
• Acidity is indicated by pH values below 7, whereas baseness is shown by pH values above 7.
• In reality, pH is a measurement of the proportion of free hydrogen and hydroxyl ions in water.

Learn more about pH

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