The diagram shows the pH of a number of substances on the pH scale - Junior Cycle Science - Question h - 2018
Question h
The diagram shows the pH of a number of substances on the pH scale.
Vinegar Soda water Pure water Baking soda Oven cleaner
(i) Choose a substance from ... show full transcript
Worked Solution & Example Answer:The diagram shows the pH of a number of substances on the pH scale - Junior Cycle Science - Question h - 2018
Step 1
Choose a substance from the diagram that is:
Acidic
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Answer
Vinegar is a substance from the diagram that is acidic, as it has a pH of around 2.
Step 2
Choose a substance from the diagram that is:
Basic
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Answer
Baking soda or oven cleaner is a substance from the diagram that is basic, with a pH of 8 or higher.
Step 3
Choose a substance from the diagram that is:
Neutral
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Answer
Pure water is neutral, having a pH of 7.
Step 4
State how a student could measure the pH of the substances above.
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Answer
A student could measure the pH of the substances using a pH meter (probe) or a universal indicator.
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