Curriculum
Course: HIA International — Grade 8
time left:
:
:
Login

Curriculum

HIA International — Grade 8

Unit 1: Photosynthesis and the carbon cycle

0/22

Unit 2: Properties of materials

0/50

Unit 3: Forces and energy

0/50

Unit 4: Maintaining life

0/34

Unit 5: Reactivity

0/41

Unit 6: Sound and space

0/40

Unit 7: Genes and inheritance

0/30

Unit 8: Rates of reaction

0/34

Unit 9: Electricity

0/36
Quiz

5.5 Chemical Properties Of Metals

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit

Chemical Properties Of Metals Checkpoint Chemistry quiz: free practice for Cambridge Checkpoint (chemistry). Work through this Chemical Properties Of Metals Checkpoint Chemistry quiz and get instant feedback on every answer. If you get stuck, review the 15.5 Chemical properties of metals lesson. More practice: Cambridge Checkpoint (chemistry) — all units. Syllabus: Cambridge Lower Secondary programme.

  • Questions count: 50
  • Passing grade: B+
  • Time limit:
Start Quiz
1.
Which step comes immediately after "use the same reactant conditions"?
add equal metal samples
place metals in reactivity order
compare observations
2.
Amina added 1 g of zinc powder to 25 cm³ of four different solutions and measured the temperature rise. Which conclusion is best supported?
Zinc displaces every metal from its solution, and each gives the same temperature rise
Zinc reacts best with magnesium sulfate because magnesium is the most reactive metal
The temperature fell with iron sulfate, so iron must be more reactive than zinc
Zinc displaces metals less reactive than itself, and the further below zinc the metal is, the bigger the rise
3.
Which statement correctly describes displacement reaction?
the gradual attack of a metal surface by air, water or chemicals
the dull layer that forms on a metal surface as it slowly reacts with air
a reaction in which a more reactive metal takes the place of a less reactive one in a compound
a list of metals arranged in order from most reactive to least reactive
4.
Tom says copper is "completely unreactive" because it does not react with cold water or dilute acid. Which is the best evaluation?
He is wrong: copper forms a black oxide when heated in air, so it has low reactivity, not none
He is right: copper does not react with any substance under any conditions
He is wrong: copper reacts violently with water, like sodium
He is right: only metals that fizz with acid can form oxides
5.
Before weighing the copper she collected, Isla washed it with water and dried it completely. Why was drying important?
Wet copper would react with the air and turn into gold
Drying turns copper sulfate back into copper
Water makes copper lighter, so the result would be too low
Any water left on it would add extra mass and make the result too high
6.
Amina carries out her displacement reactions in a polystyrene cup with a lid instead of a glass beaker. Why?
Glass would react with zinc powder and form a new compound
Polystyrene speeds up the displacement reaction
The lid stops hydrogen gas escaping from the cup
It insulates the mixture, so less heat escapes before she reads the temperature
7.
Nikhil tested an unknown metal X. Using his results, where does X most likely fit in the reactivity order?
Above potassium, the most reactive metal
Between sodium and calcium
Below copper but above gold
Below magnesium but above copper
8.
Which statement correctly describes hydrogen?
an element usually showing typical metallic properties
a gas that relights a glowing splint
a substance with pH below 7
a gas giving a squeaky pop with a lighted splint
9.
Copper can be recovered from waste copper sulfate solution by adding scrap iron. Isla added different masses of iron to 1 litre portions of the solution and weighed the copper collected. Why does the line level off?
Dr Dabour Hub Academy - figure 1
All the copper in the solution has been displaced, so extra iron has nothing to react with
The iron has become coated in rust, so it can no longer react at all
Copper becomes more reactive than iron once 30 g has formed
The extra iron dissolves the copper that has already been made
10.
Mr Tan heated mixtures of a metal powder with a metal oxide. Using the results, which order of reactivity is correct, from most to least reactive?
Copper, zinc, magnesium
Zinc, magnesium, copper
Magnesium, copper, zinc
Magnesium, zinc, copper
11.
Which practical work belongs to Chemical Properties Of Metals?
Link material properties to uses such as wires, tools, containers and construction
Compare pure metals with alloys and connect composition to material properties
Compare samples using fair tests for appearance, conductivity, hardness and malleability
Carry out supervised tests and use evidence to compare metal reactivity
12.
Which statement correctly describes metal?
a gas that relights a glowing splint
a substance with pH below 7
a gas giving a squeaky pop with a lighted splint
an element usually showing typical metallic properties
13.
A company wants to recover copper from waste copper sulfate solution by displacement. Using the table, which metal should it add?
Magnesium, as it is the most reactive in the list
Silver, as it is shiny like copper
Iron, as it displaces copper and is cheap
Gold, as it will never corrode
14.
Which definition should be paired with metal?
a gas giving a squeaky pop with a lighted splint
an element usually showing typical metallic properties
a gas that relights a glowing splint
a substance with pH below 7
15.
The chart rates how vigorously seven metals react. Which statement is supported by the chart?
Dr Dabour Hub Academy - figure 2
Zinc reacts more vigorously with cold water than magnesium does
Gold reacts slowly with dilute acid but not with oxygen
Copper reacts when heated in oxygen but not with cold water or dilute acid
Magnesium reacts with cold water as vigorously as calcium
16.
Match each mixture to what happens. Which pairing is correct?
Iron + copper sulfate – copper and iron sulfate form
Copper + zinc sulfate – zinc and copper sulfate form
Gold + iron sulfate – iron and gold sulfate form
Zinc + magnesium sulfate – magnesium and zinc sulfate form
17.
Railway lines can be joined using the reaction shown. Aluminium is more reactive than iron. Which word equation describes the reaction?
Dr Dabour Hub Academy - figure 3
iron + aluminium oxide → iron oxide + aluminium
aluminium + iron oxide → aluminium iron oxide
aluminium + iron oxide → aluminium oxide + iron
aluminium + oxygen → aluminium oxide + iron
18.
In the test for hydrogen, the squeaky pop is a small explosion. What does hydrogen react with to make the pop, and what forms?
Nitrogen in the air, forming an acid
Oxygen in the air, forming water
The wooden splint, forming carbon dioxide
The glass tube, forming a metal oxide
19.
A student asks to watch potassium react with dilute hydrochloric acid in class. Why would a teacher refuse?
Potassium reacts explosively with dilute acid
Potassium does not react with acids at all
Potassium only reacts with acid if it is heated
Potassium makes a toxic gas instead of hydrogen
20.
Which statement correctly describes acid?
an element usually showing typical metallic properties
a gas giving a squeaky pop with a lighted splint
a substance with pH below 7
a gas that relights a glowing splint
21.
Students looked at metal objects that had stood outdoors in the same town for 20 years. Which conclusion is best supported by the table?
All metals corrode at the same rate in the same town
Gold is the most reactive metal, as it looked the least changed
Copper corrodes faster than iron because it turned green
The more reactive the metal, the more it had corroded
22.
Blocks of zinc are bolted to the steel hull of a ship. After a year the zinc blocks are badly corroded, but the hull is not rusted. Which explanation is best?
Dr Dabour Hub Academy - figure 4
Zinc is more reactive than iron, so the zinc reacts instead of the iron
Zinc is less reactive than iron, so it pushes the water away from the hull
Zinc forms an alloy with the hull, which makes the steel stainless
Zinc blocks the sunlight, which is needed for iron to rust
23.
Match each key term to its meaning. Which pairing is correct?
Oxidation – a metal reacting with water to form hydrogen
Corrosion – a metal melting when heated strongly
Displacement – a more reactive metal replaces a less reactive one
Reactivity – how shiny a metal surface is
24.
In Amina's zinc powder experiment, which variable must she keep the same for every solution?
The volume of each solution used
The type of solution she tests
The temperature rise she measures
The final colour of the mixture
25.
The table lists four properties of magnesium. Which one is a chemical property?
Property 1 only
Property 4 only
Property 2 only
Property 3 only
26.
Which statement correctly describes oxygen?
an element usually showing typical metallic properties
a substance with pH below 7
a gas giving a squeaky pop with a lighted splint
a gas that relights a glowing splint
27.
Which of these is the FIRST step in the correct order?
use the same reactant conditions
place metals in reactivity order
add equal metal samples
compare observations
28.
Match each type of reaction to its general word equation. Which pairing is correct?
metal + water – metal hydroxide + hydrogen
metal + oxygen – salt + hydrogen
metal + acid – metal oxide + water
metal + water – metal chloride + oxygen
29.
The particle diagram shows a zinc strip in iron sulfate solution before and after a reaction. Which statement describes what happened?
Dr Dabour Hub Academy - figure 5
Iron took the place of zinc in the strip, forming iron sulfate and zinc metal
Zinc took the place of iron in the compound, forming zinc sulfate and iron metal
The zinc and iron atoms joined together to form a new alloy
Sulfate groups moved into the zinc strip, forming a solid compound
30.
Which term is described as: a gas giving a squeaky pop with a lighted splint?
metal
oxygen
acid
hydrogen
31.
Which term is described as: an element usually showing typical metallic properties?
oxygen
hydrogen
metal
acid
32.
Which term is described as: a substance with pH below 7?
metal
oxygen
hydrogen
acid
33.
Which term is described as: a reaction in which a more reactive metal takes the place of a less reactive one in a compound?
displacement reaction
reactivity series
native metal
reactivity
34.
Nickel displaces copper from copper sulfate but does not displace iron from iron sulfate, so nickel lies between _____ in reactivity.
magnesium and zinc
iron and copper
copper and gold
potassium and sodium
35.
Rust is hydrated _____, formed when iron corrodes.
iron oxide
iron sulfate
iron chloride
iron hydride
36.
Complete the word equation: calcium + hydrochloric acid → _____ + hydrogen
calcium hydroxide
calcium chloride
calcium oxide
calcium sulfate
37.
Complete the word equation: magnesium + iron sulfate → _____ + iron
magnesium oxide
magnesium sulfate
iron magnesium
magnesium hydroxide
38.
A displacement reaction happens when a less reactive metal is added to a compound of a more reactive metal. True or false?
False – it is the other way round
True – the less reactive metal always wins
True, but only when the mixture is heated
False – displacement needs two non-metals
39.
The position of a metal in the reactivity series can be found by displacement experiments. - True or false?
True
False
40.
The reactivity series helps predict whether a reaction will happen. - True or false?
True
False
41.
Potassium, sodium and calcium all give hydrogen with both cold water and dilute acid. True or false?
False – calcium only reacts with acid
False – sodium gives oxygen with water
True – all three are high in reactivity
True, but only potassium makes a salt
42.
Iron placed in copper sulfate solution displaces the copper. - True or false?
True
False
43.
If metal A displaces metal B from a solution of its compound, then metal B cannot displace metal A. True or false?
True – B is the less reactive one
False – displacement always works both ways
False – B will displace A if heated gently
True, but only when A is copper
44.
When copper is added to dilute hydrochloric acid, copper chloride and hydrogen are formed. True or false?
True – every metal fizzes in acid
True, but the reaction is slow
False – copper does not react
False – it forms copper oxide
45.
Copper displaces zinc from zinc sulfate solution. - True or false?
True
False
46.
Hydrogen is produced when metals react with water or with dilute acids, but not when they react with oxygen. True or false?
False – oxygen reactions give hydrogen too
False – acids make oxygen, not hydrogen
True, but only for copper and gold
True – oxygen reactions give oxides
47.
Leah put an iron nail in cold water, saw no change in 5 minutes, and concluded that iron never reacts with water. True or false?
True – no bubbles means no reaction ever
False – it reacts very slowly
True, but only for steel nails
False – iron reacts violently with water
48.
Sodium burns with a lilac flame when it is heated in air. True or false?
True – all group 1 metals burn lilac
False – it burns with an orange flame
True, but only in pure oxygen
False – sodium does not burn
49.
A chemical property describes how a substance reacts with other substances. True or false?
False – it describes its melting point
False – it describes its colour and shine
True – that is its meaning
True, but only for non-metals
50.
Zinc will displace copper from copper sulfate solution but will not displace magnesium from magnesium sulfate solution. True or false?
False – zinc displaces both metals
False – zinc displaces neither metal
True, but only if the zinc is heated
True – zinc lies between them
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
Part of Unit 5: Reactivity — see every lesson and quiz in this unit.
Accepted payment methods