Finely divided nickel (Ni\text{Ni}Ni) is widely used as a catalyst in the industrial hydrogenation of vegetable oils to manufacture margarine.
Based on the position of nickel in the periodic table, which row in the table below correctly identifies the expected melting point of nickel and the colour of nickel(II) chloride?
| Melting point of nickel in ∘C^\circ\text{C}∘C | Colour of nickel(II) chloride | |
|---|---|---|
| A | 63 | green |
| B | 1455 | white |
| C | 1455 | green |
| D | 63 | white |
Row A
Row B
Row C
Row D
97 exam-style questions on Edexcel GCSE Chemistry 6.1 Transition metals, alloys and corrosion, covering 6.1.1 Properties of transition metals, 6.1.2 Corrosion and its prevention, and 6.1.3 Alloys and the uses of metals. Each one has a worked solution and a mark scheme showing where the marks go.