logo

Cambridge IGCSE Chemistry practice

Paper 6 structured question: Experimental design

Try the question first, then check the answer and practise the same topic again.

At a glance

6

Paper

1

Marks

Topic

Experimental design

Exam-style question

Try this first

Paper 6Alternative to PracticalPractical1 marks

Investigating the effect of temperature on the rate of a reaction.

Method

Method for Investigating Reaction Rate

In this experiment, you will mix sodium thiosulfate with hydrochloric acid and measure the time taken for a precipitate to form at different temperatures.

Temperature (°C)Time taken (s)
2030
3020
4015
5010
  1. a

    State the independent variable in this experiment.

    Aim for approximately 1 distinct marking point.

    [1]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 6 structured question: Experimental design

Paper 6Alternative to PracticalPractical2 marks

Results Table

Titration Results

The following table shows the volume of titrant used to reach the endpoint in several trials.

TrialVolume of Titrant (mL)
125.0
224.5
325.5
425.0
  1. a

    Calculate the average volume of titrant used in the trials.

    Aim for approximately 2 distinct marking points.

    [2]