Name a rock that is composed mainly of calcium carbonate.
What does the symbol $\rightleftharpoons$ indicate?
CaO is lime, and lime is used to neutralise acidic industrial waste. State one additional use of lime.
Describe a test for carbon dioxide, including both the procedure and the observation.
Complete the diagram to show the apparatus used to measure the volume of carbon dioxide produced in this reaction.
Describe the effect of a decrease in temperature and the use of calcium carbonate powder instead of large pieces of calcium carbonate on the rate of reaction between dilute hydrochloric acid and calcium carbonate. All other conditions remain unchanged.
C$_4$H$_8$ is an alkene. Finish the structure by adding the missing bonds and atom.
C$_4$H$_8$ undergoes incomplete combustion to produce carbon monoxide. State what is meant by incomplete combustion.