Original questions for every section, each marked Higher Level or both levels, with worked answers, and written questions where Mia reads your answer against its points.
Quick checks
Multiple choice, worked or timed
Written questions
Mia reads your answer and names the next point to add
Experiments
Data questions for the investigate outcomes
Levels
Every question marked Higher Level or both levels
Try 4 questions
Question 1 · Both levels
Which statement best describes one mole of a substance? Take the Avogadro constant as 6.02 × 10²³ per mole.
Question 2 · Both levels
Which statement describes every hydrocarbon?
Question 3 · Both levels
Which observation shows that vinegar is acidic?
Question 4 · Higher Level
0510152025304812Volume of NaOH added / cm³pH
The graph shows the pH as 0.100 mol/L sodium hydroxide is added to 25.0 cm³ of ethanoic acid. What volume of sodium hydroxide reaches the equivalence point, and which indicator suits this titration?