(a)[1]
Calculate the mass of calcium oxide produced when 160.0 g of calcium carbonate are decomposed.
(b(i))[1]
Deduce the volume of carbon dioxide produced in the first 20 minutes of decomposition.
(b(ii))[1]
At what time did the reaction finish?
(b(iii))[1]
What effect, if any, would there be on the rate of reaction if the same mass of powdered calcium carbonate were used?
(c(i))[1]
What percentage of limestone is used in agriculture?
(c(ii))[2]
What is the reason lime is used in agriculture?