(a)[1]
Name the apparatus labelled A in the diagram.
(b)[2]
Describe how this apparatus can be used to determine the rate of reaction.
(c)[1]
What effect does the drop in temperature have on the rate of reaction?
(d)[1]
Complete the table by entering the sizes of the pieces in the first column.
(e)[2]
Give the names of the three products made when calcium carbonate reacts with hydrochloric acid.