The pH scale is used to measure the acidity and the alkalinity of substances - Junior Cycle Science - Question a - 2013
Question a
The pH scale is used to measure the acidity and the alkalinity of substances.
(i) Give the range of pH for acids.
(ii) Give the range of pH for bases.
Worked Solution & Example Answer:The pH scale is used to measure the acidity and the alkalinity of substances - Junior Cycle Science - Question a - 2013
Step 1
Give the range of pH for acids.
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Answer
Acids are defined by a pH value ranging from 0 to less than 7. This indicates increasing acidity as the pH value decreases.
Step 2
Give the range of pH for bases.
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Answer
Bases have a pH value that is greater than 7, extending up to 14. This range indicates the level of alkalinity, with higher values reflecting stronger bases.
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