(a)[1]
Complete the word equation for magnesium reacting with dilute sulfuric acid. magnesium + sulfuric acid → [BLANK] + hydrogen
(b(i))[3]
Draw a labelled diagram of the apparatus the student should use to carry out this investigation.
(b(ii))[1]
Deduce the total volume of hydrogen gas produced in the first 100 s of this reaction.
(b(iii))[1]
Suggest why the reaction stops at 300 s.
(b(iv))[3]
Draw a line on the grid in Fig. 3.1 to show how the volume of hydrogen gas produced changes when the temperature is higher.
(b(v))[1]
Describe how the rate of the reaction changes when sulfuric acid of a lower concentration is used.
(b(vi))[1]
Describe how the rate of the reaction changes when a catalyst is used.
(c)[1]
Describe a test for hydrogen. Include the test and the observation.