# Properties of metals test questions

### 1

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

### 2

Which of the following is an example of a displacement reaction?

### 3

Which of the following groups of four metals is arranged in descending order of their chemical reactivity?

### 4

When lithium reacts with water what two products are formed?

### 5

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

### 6

Which type of reaction is happening in the equation below?

$Cu_{}^{2 + }(aq) + 2e_{}^ - \to Cu(s)$

### 7

When iron is extracted from iron ore, it is heated with carbon monoxide. How can carbon monoxide be described in this process?

### 8

How are metal elements able to conduct electricity?

### 9

Haematite $$F{e_2}{O_3}$$ is an ore of iron.

Given the relative atomic mass of iron is 56 and oxygen is 16, calculate the percentage by mass of haematite that is iron.

### 10

Gibbsite $$Al(O{H})_{3}$$ is a mineral found in aluminium ore.

Given the relative atomic mass of aluminium is 27, oxygen is 16 and hydrogen is 1, calculate the percentage by mass of gibbsite that is aluminium.