(a)[2]
Suggest two factors that should stay unchanged in this experiment.
(b)[1]
Which fuel produced the largest temperature increase per gram?
(c)[1]
Give one further use for ethanol.
(d(i))[2]
Fill in the missing reactant and the missing product to complete the diagram.
(d(ii))[1]
Is the complete combustion of ethanol exothermic or endothermic? Use the diagram information to explain your answer.
(e(i))[1]
What does the term alloy mean?
(e(ii))[2]
Describe the arrangement and the type of movement of the particles in solid iron.
(e(iii))[1]
Suggest why stainless steel is chosen rather than pure iron for making cutlery.