Acids and Bases

Questions on Acids and Bases

Junior Cert Science

Sample Answers

Acids and Bases

Question 1.

(a) Describe how you measure the pH of lemon juice. (6)

Dip universal indicator paper into the apple juice and then hold it
against the coloured scale on the booklet.

(b) (i) What is the pH scale? (9)

How can pH be measured? (9)

(ii) Look at the table and name a strong acid and a weak alkali from it. (6)


Pure water

Drain cleaner



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