Chemistry · Oct / Nov 2022 · Paper 12 · Question 22
5070Rate of reaction
Carbonates react with dilute acids to produce carbon dioxide. A student uses excess carbonate and 100 cm3 of 0.1 mol / dm3 acid and measures the volume of gas produced at regular time intervals. The results give line X on the graph. The student repeats the experiment using 50 cm3 of 0.2 mol / dm3 acid whilst keeping everything else the same. Which line shows the results for the second experiment?
- AA
- BB
- CC
- DD
As printed in the paper
Show the answer
Correct answer: B. B
Make a free account to save your answers and see your weak topics and ask the AI why a wrong answer is wrong.