Time: 1 hour 30 minutes Total Marks: 50
(6 marks)
A student tests three liquids with universal indicator: f2 integrated science exam paper
(a) Write down the formula for force. (1 mark) (b) Calculate the force required. (2 marks) (c) If the car stops suddenly, why do passengers lurch forward? (2 marks) (d) State Newton’s first law of motion. (1 mark) (8 marks) Time: 1 hour 30 minutes Total Marks: 50
(a) Complete the pH for soap solution in the table. (1 mark) f2 integrated science exam paper
| Liquid | Colour of indicator | pH | |--------|--------------------|----| | Lemon juice | Red | 2 | | Soap solution | Blue | ___ | | Water | Green | 7 |