Properties of metals

1

Which of the following groups of three metals is arranged in order of increasing chemical reactivity?

2

Which of the following metals will react with water?

3

How was the reactivity series made?

4

Which process cannot be used to separate iron from iron ore?

5

Which of the following pairs of metals can only be extracted from their ores by electrolysis?

6

Which of these pairs of metals would produce the highest voltage in a cell?

7

Which of the following is an example of chemical protection used to prevent iron objects rusting?

8

What colour does ferroxyl indicator change to indicating that iron is beginning to rust?

9

What name is given to a mixture of metals?

10

Which of the following is an alloy?