Metals
Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.
Physical and chemical properties of metals
SubtopicPhysical and chemical properties of metals under Metals for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
When iron reacts with steam, which oxide is formed?
A.B.C.D. - 2.
Which statement correctly describes metallic bonding?
A.Shared pairs of electrons between atoms
B.Transfer of electrons from metal to non-metal
C.Attraction between positive ions and a 'sea' of delocalized electrons
D.Attraction between oppositely charged ions in a lattice
- 3.
What is the charge on the ion formed by metals in Group 2 of the Periodic Table?
A.B.C.D.
Download the worksheet for Metals - Physical and chemical properties of metals to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
In general, why are alloys used more frequently than pure metals in engineering and construction?
A.Alloys are always cheaper than any pure metal
B.Alloys can be designed to have specific properties like increased hardness
C.Pure metals are always gases at room temperature
D.Alloys are more reactive than pure metals
- 2.
What is the primary metal found in the alloy used to coat steel cans to prevent them from rusting, known as 'tinplate'?
A.Lead
B.Tin
C.Zinc
D.Copper
- 3.
Stainless steel is used for surgical instruments. Which property is most important for this use?
A.It can be easily sterilized and does not corrode
B.It is very magnetic
C.It has a very low melting point
D.It is a good insulator of heat
Download the worksheet for Metals - Uses of metals to practice offline. It includes additional chapter-level practice questions.
Preview questions (no answers)
- 1.
Which describes the physical state of most alloys at room temperature?
A.Gas
B.Liquid
C.Solid
D.Plasma
- 2.
Manganese steel is used for railway tracks. Why is it suitable for this?
A.It is extremely hard and tough
B.It is very soft and flexible
C.It dissolves in rain
D.It is a liquid metal
- 3.
Which of the following is NOT an alloy?
A.Bronze
B.Steel
C.Copper
D.Solder
Download the worksheet for Metals - Alloys to practice offline. It includes additional chapter-level practice questions.
The Reactivity Series
SubtopicThe Reactivity Series under Metals for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
Why can aluminum NOT be extracted from its oxide using carbon?
A.Aluminum is less reactive than carbon
B.Aluminum is more reactive than carbon
C.Carbon is too expensive
D.The reaction would be too slow
- 2.
Which of the following describes the reduction of a metal oxide?
A.Loss of oxygen
B.Gain of oxygen
C.Loss of electrons
D.Addition of water
- 3.
Which of these metals reacts the fastest with steam?
A.Iron
B.Magnesium
C.Copper
D.Lead
Download the worksheet for Metals - The Reactivity Series to practice offline. It includes additional chapter-level practice questions.
Extraction of Iron (Blast Furnace)
SubtopicExtraction of Iron (Blast Furnace) under Metals for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
The iron produced in the blast furnace is often called 'pig iron' because:
A.It contains fat
B.It was traditionally cast into molds that looked like piglets
C.It is pink in color
D.It is only used to make farm equipment
- 2.
In the blast furnace, silicon dioxide is an example of a:
A.Flux
B.Reducing agent
C.Ganga (Impurity)
D.Fuel
- 3.
Which material provides the 'reducing power' to convert the ore into metal in the blast furnace?
A.Limestone
B.Coke (via carbon monoxide)
C.Sand
D.Hot air
Download the worksheet for Metals - Extraction of Iron (Blast Furnace) to practice offline. It includes additional chapter-level practice questions.
Extraction of Aluminum (Bauxite)
SubtopicExtraction of Aluminum (Bauxite) under Metals for Grade 11 IGCSE.
Preview questions (no answers)
- 1.
In a redox reaction, what is the definition of oxidation?
A.The gain of electrons
B.The loss of electrons
C.The gain of protons
D.The loss of neutrons
- 2.
How is the molten aluminum removed from the electrolytic cell?
A.It is evaporated
B.It is siphoned or tapped off from the bottom
C.It is filtered through paper
D.It is skimmed off the top surface
- 3.
What prevents the aluminum from reacting with air once it is extracted and cooled?
A.A protective layer of aluminum oxide forms on its surface
B.It is kept under oil permanently
C.It is naturally unreactive like gold
D.It is coated in a layer of plastic
Download the worksheet for Metals - Extraction of Aluminum (Bauxite) to practice offline. It includes additional chapter-level practice questions.