1.
Glass is made by mixing and heating three materials.
(a)
Two of them are sodium carbonate and limestone.
Look at the pie chart.
It shows the percentages of different materials used to make one type of glass.
(i)
Write down the name of substance A.
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[1]
(ii)
Calculate the percentage of substance A.
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[1]
(b)
The chemical name for limestone is calcium carbonate.
Calcium carbonate is heated strongly.
Calcium oxide and carbon dioxide are made.
Write the word equation for this reaction.
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[1]
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(c)
Limestone is heated with clay.
A building material is made.
What is the building material called?
Choose your answer from the list.
brick
cement
concrete
granite
answer ...........................................................................................................
[1]
(d)
Granite is harder than limestone.
(i)
What type of rock is granite?
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[1]
(ii)
What type of rock is limestone?
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[1]
[Total 6 marks]
Hessle High School
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2.
This question is about construction materials.
Look at the photograph. It shows some buildings.
(a)
Rocks such as granite, limestone and marble are used to construct buildings.
Limestone and marble are both calcium carbonate.
Marble is much harder than limestone.
Explain why. Use ideas about rock types.
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[2]
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(b)
Some construction materials are made from rocks in the Earth’s crust.
Iron, brick and glass are construction materials.
Draw straight lines to link each construction material to the rock it is made
from.
construction material
rock it is made from
iron
haematite ore
brick
sand
glass
clay
[2]
[Total 4 marks]
3.
Granite, limestone and marble are three rocks used to construct buildings.
(a)
Granite, limestone and marble have different hardness.
Look at the list of sentences about these rocks.
Which sentences about the rocks are correct?
Put ticks ( ) in the boxes next to the two correct sentences.
Granite is an igneous rock.
Granite is harder than marble.
Limestone is a metamorphic rock.
Limestone is harder than marble.
Marble is a sedimentary rock.
[2]
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(b)
When heated, calcium carbonate makes calcium oxide and carbon dioxide.
Write down the word equation for this reaction.
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[1]
(c)
Georgia heats a sample of calcium carbonate.
Look at the apparatus she uses.
gas syringe
calcium carbonate
heat
The carbon dioxide made is collected in a gas syringe.
Every 30 seconds, she measures the total volume of carbon dioxide in the gas
syringe.
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Look at the graph of Georgia’s results.
total volume of carbon dioxide in cm 3
100
80
60
40
20
0
0
30
60
90
120
150
180
210
time in seconds
(i)
At which time is the reaction the fastest?
Choose from the list.
0 – 30 seconds
60 – 90 seconds
120 – 150 seconds
180 – 210 seconds
answer ..................................................................................................
[1]
(ii)
Georgia repeats the experiment using the same mass of calcium
carbonate.
This time she uses a much hotter Bunsen flame.
Sketch on the graph the results you would expect her to get.
[1]
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(d)
Cement is made by heating a mixture of limestone and another substance.
What is the name of the other substance?
Choose from the list.
aluminium
clay
marble
sand
answer ...........................................................................................................
[1]
[Total 6 marks]
4.
This question is about construction materials.
(a)
Look at this picture.
It shows reinforced concrete being made.
Reinforced concrete is a composite material containing steel rods and concrete.
Reinforced concrete is a better construction material than non-reinforced
concrete.
Explain why.
Use ideas about the properties of concrete and steel.
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[2]
(b)
Limestone and marble are both used to make buildings.
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Limestone and marble are both forms of calcium carbonate.
Limestone is much softer than marble.
Explain why.
Use ideas about the formation of limestone and marble rock.
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[2]
[Total 4 marks]
5.
Cement, sand and water are used make concrete.
Reinforced concrete is a composite material.
A road bridge is made using reinforced concrete.
Explain why reinforcing concrete with steel makes it a better construction material.
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[Total 2 marks]
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6.
Pete and Sally investigate marble and limestone.
Limestone and marble both have the formula, CaCO3.
Sally heats some limestone.
(a)
When limestone is heated, thermal decomposition happens.
What is thermal decomposition?
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[1]
(b)
Limestone is used to make cement.
Limestone is mixed with another substance.
Write down the name of this substance.
Choose from the list.
clay
glass
granite
iron ore
answer ...........................................................................................................
[1]
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(c)
When calcium carbonate, CaCO3, is heated it makes calcium oxide, CaO, and
carbon dioxide.
Write a balanced symbol equation for this reaction.
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[1]
(d)
Marble is a harder rock than limestone.
(i)
What type of rock is marble?
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[1]
(ii)
What type of rock is limestone?
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[1]
[Total 5 marks]
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