Nickel is used as a catalyst in the industrial hydrogenation of unsaturated vegetable oils to make margarine.
State, in terms of its position in the periodic table, why you would expect nickel to act as a catalyst.
Practise Edexcel GCSE Chemistry Transition metals, alloys and corrosion with exam-style questions for Foundation and Higher tier. 97 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
