Student Name:
Year 9 Science Home Learning Booklet
Metals and reactivity
To be handed in before 11th November
Question
Number
Total Marks
1
2
3
4
5
4
5
6
7
7
Total
29
Approximate grade boundaries
My Mark
Q1. (a) Ruth put a piece of a different metal in each of four test tubes.
She poured 10 cm3 of hydrochloric acid onto each metal.
Look at the diagrams above.
(i) How do these show if a metal reacts with the acid?
...............................................................................................................
1 mark
(ii) On the lines below, put the four metals in the order of how strongly they
react with the acid.
most reactive ..................................
..................................
..................................
least reactive ..................................
1 mark
(b) Choose the name of a metal from the box below to answer each question.
copper iron magnesium zinc
(i) Which metal from the box is used for electrical wires?
...................................................
1 mark
(ii) Which metal from the box goes rusty?
...................................................
1 mark
maximum 4 marks
Q2. Joanne added iron filings to copper sulphate solution.
She observed the reaction after one week.
(a) What evidence in the diagrams shows that a chemical reaction has taken place?
........................................................................................................................
1 mark
(b) The reaction between iron and copper sulphate is a displacement reaction.
(i) Give the name of the orange metal visible after one week.
.................................................
1 mark
(ii) What is the name of the compound formed in this reaction?
.................................................
1 mark
(iii) Joanne poured the green solution into another test tube. She added some copper
pieces to the solution.
Will a displacement reaction occur?
yes
no
Explain your answer.
...............................................................................................................
...............................................................................................................
1 mark
(c) Part of the reactivity series of metals is shown below.
Use the information above.
Which two metals would react with aluminium nitrate in a displacement reaction?
Tick the two correct boxes.
calcium
zinc
potassium
lead
1 mark
maximum 5 marks
Q3. (a) The table below shows the melting points of four metals.
melting point,
metal
in °C
gold
1064
mercury
–37
sodium
98
iron
1540
(i) Which metal in the table has the highest melting point?
............................................................
1 mark
(ii) Which metal in the table has the lowest melting point?
............................................................
1 mark
(b) Gold can be a gas or a liquid or a solid.
Choose from these words to fill the gaps below.
When gold is heated from room temperature to 1070°C, the gold
changes from a ................................. to a ................................... .
1 mark
(c) 5 g of gold is melted and all of it is poured into a mould to make a pendant as shown below.
What is the mass of the gold pendant?
........................... g
1 mark
(d) The table below shows how the four metals react with oxygen when heated in air.
reaction when
metal
heated in air
gold
mercury
sodium
no change
slowly forms a
red powder
bursts into flames
iron
straight away
very slowly turns
black
(i) Which is the most reactive metal in the table?
............................................................
1 mark
(ii) Which is the least reactive metal in the table?
............................................................
1 mark
Maximum 6 marks
Q4. The diagram shows an outline of part of the Periodic Table of Elements.
(a) What is the name of the element with the symbol H?
………………………………….
1 mark
(b) In which regions of the Periodic Table are the following types of element found?
(i) non-metals (such as oxygen and chlorine);
region …………
1 mark
(ii) very reactive metals (such as sodium and potassium);
region …………
1 mark
(iii) less reactive metals (such as copper and zinc).
Region …………
1 mark
(c) Why is copper sulphate not found in the Periodic Table?
……………………………………………………………………………………….
……………………………………………………………………………………….
1 mark
(d) An iron nail is placed into some blue copper sulphate solution.
A reaction takes place between the iron and the copper sulphate.
(i) Complete the word equation for the reaction.
iron + copper sulphate → ……………………… +…………………………
1 mark
(ii) Describe one change you would see on the surface of the nail.
………………………………………………….…………………………….
……….……………………………………………………………………….
1 mark
Maximum 7 marks
Q5. Aisha placed small samples off four different metals on a spotting tile.
She added drops of copper sulphate solution to each metal.
Aisha repeated the experiment with fresh samples of the four metals and solutions of different salts.
She recorded some of her results in a table.
shows that a reaction took place
X shows that no reaction took place.
(a) The four metals have different reactivities.
(i) Use the information in the table to put the four metals in a reactivity series.
most reactive metal ....................................
....................................
....................................
least reactive metal .....................................
1 mark
(ii) Use the reactivity series to complete the table by writing in
boxes.
or X in the three empty
2 marks
(b) Copper reacts with silver nitrate solution.
(i) Complete the word equation for the reaction:
copper
+ silver
nitrate
...........................
+
...........................
2 marks
(ii) Platinum does not react with silver nitrate.
Put the metals platinum, copper and silver in the correct order according to their
reactivity.
most reactive .....................................
.....................................
least reactive .....................................
1 mark
(c) In many houses the hot water pipes are made from copper and the boiler is made from iron.
Which of these metals will corrode first? Explain your answer.
.....................................................................................................................
.....................................................................................................................
1 mark
Maximum 7 marks