State the name of apparatus F.
Name one piece of apparatus the student could use to hold the temperature of the conical flask and its contents constant.
Hydrogen gas is formed in the reaction. Describe the test used to identify hydrogen. Test [BLANK]. Observation [BLANK].
The student uses the change in volume as time goes on to find the rate of this reaction. State one different measurement that the student could take as time goes on to determine the rate of this reaction.
Identify two variables that are held constant in this investigation.
Describe how the graph is used to work out which experiment has the greatest rate.
Place a letter in each box on the graph to show experiments X, Y and Z.
Describe how the graph indicates that the reactions end.
Explain why the reactions end.