Paper 6 structured question: Experimental design
Paper 6Alternative to PracticalPractical1 marks
Method
Method for Measuring Temperature Change
In a reaction between hydrochloric acid and sodium hydroxide, the temperature change is measured using a thermometer. The initial temperature of the acid is recorded before the sodium hydroxide is added. After mixing, the maximum temperature is recorded.
- a[1]
State the independent variable in this experiment.
Aim for approximately 1 distinct marking point.