Question
The metal beryllium does not react with cold water.
It reacts with hydrochloric acid but cannot be extracted from its ore by using carbon.
Where is beryllium placed in the reactivity series?
magnesium
A
zinc
B
iron
C
copper
D
Answer/Explanation
Ans: A
Question
Four metals, iron, copper, magnesium and Y, are heated separately with their oxides.
The results are shown.
Answer/Explanation
Ans: A
Question
The diagram shows elements W, X, Y and Z in a section of the Periodic Table.
Which statement about the reactivity of the elements is correct?
A X is more reactive than Y, and W is more reactive than Z.
B X is more reactive than Y, and Z is more reactive than W.
C Y is more reactive than X, and W is more reactive than Z.
D Y is more reactive than X, and Z is more reactive than W.
Answer/Explanation
Ans: C
Question
A strip of aluminium is placed into a test-tube containing aqueous lead(II) nitrate and left for several minutes.
Aluminium is higher than lead in the reactivity series.
Which statement explains why lead is not displaced by this strip of aluminium?
A A thin insoluble layer of aluminium nitrate forms on the aluminium.
B Nitrate ions are reduced in aqueous solution.
C The ionic bonds between lead and nitrate ions are too strong.
D There is an unreactive oxide layer on the aluminium.
▶️Answer/Explanation
Ans:D