F2 Integrated Science Exam Paper May 2026

(b) Is lemon juice acidic, basic, or neutral? (1 mark) (c) Name another natural indicator besides universal indicator. (1 mark) (d) Describe what happens when an acid reacts with a base. (2 marks) (e) Write the word equation for the reaction between hydrochloric acid and sodium hydroxide. (3 marks) Total marks: 50

| Liquid | Colour of indicator | pH | |--------|--------------------|----| | Lemon juice | Red | 2 | | Soap solution | Blue | ___ | | Water | Green | 7 | f2 integrated science exam paper

Time: 1 hour 30 minutes Total Marks: 50

(6 marks)

A student tests three liquids with universal indicator: (b) Is lemon juice acidic, basic, or neutral