0620/12 Chemistry Feb Mar 2020 Online Test | Cambridge IGCSE MCQ

Solid copper(II) carbonate reacts with dilute sulfuric acid.
$CuC{O_3}{\rm{ }} + {\rm{ }}{H_2}S{O_4} \to CuS{O_4} + C{O_2} + {H_2}O{\rm{ }}$
The rate of the reaction can be changed by varying the conditions.
Which changes always increase the rate of this chemical reaction?
1 increasing the concentration of sulfuric acid
2 increasing the size of the pieces of copper(II) carbonate
3 increasing…