Keywords: calcium carbonate, thermal decomposition, slaked lime, limewater
C1 Topic 2: Materials from the Earth
Making Limewater
This topic looks at:
What is slaked lime and how is it
obtained from Limewater? (Describe
using word equations. Ext use symbol
equations)
•Formation of Rocks
•Limestone and it’s uses
•Chemical Reactions
What are the three uses of Limestone
1.
2.
3.
1.
2.
Can you balance
Advantages
Na (s) + H2O(l)  NaOH(aq) +H2(g)
Disadvantages
Add CO2
Describe three things you must do
when balancing equations
3.
A company wants to build a limestone quarry next to a small town. State
the advantages and disadvantages of this.
Step 4
Balancing Equations
Describe/draw how each of these
rock types is formed give examples of
each:
Chemical name
Calcium Carbonate
Common name
Limestone
formula
CaCO3
Sedimentary
Step 1
CH4(g) +
O2(g) 
Cu(s) +
O2(g) 
CuO(s) +
C(s) 
H2O(l)
+ CO2(g)
CuO(s)
Cu(s)
CO2(g)
Neutralising Acids with Limestone
How can farmers neutralise soil that is
too acidic for crops to grow on it?
CO2
released
Igneous
Ca(OH)2 (aq)
Limestone Quarry
Step 3
What are some uses for a limestone
quarry after it has closed down?
Step 2
Metamorphic
Calcium Hydroxide CaO
a little water Calcium Oxide
Limewater
Quicklime
Thermal Decomposition
Ca(OH)2 Add
Add water
Keywords: crystals, fossils, erosion, magma, lava, atoms,
Key Words: neutralisation, acid, alkali, indigestion, water, electrolysis
C1 Topic 3: Acids and Alkali
Hydrochloric acid
Sulphuric acid
Nitric Acid
This topic looks at:
•How indigestion remedies work
Magnesium oxide
•How electrolysis works and what the products are used for
Why does your stomach produce acid
1.
2.
Calcium Carbonate
Sodium hydroxide
What does neutralise mean?
Copper carbonate
How can you neutralise your stomach acid?
Copper oxide
Write a general neutralisation word equation
Potassium
hydroxide
Describe with diagrams what electrolysis is use water as an example.
(state the products obtained and how you would test for them)
Write symbol equations for 3 of the above acid and alkali reactions
1.
2.
3.
What is chlorine used for and what problems are associated with it
Keywords: Chlorine, hazard, corrosive, toxic,
Keywords: Rusting, oxidation, reduction, extraction, ores, smart materials
C1 Topic 4: Obtaining and using metals
This topic looks at:
Describe how you would extract each group of elements
in the different colours
•How we obtain metals from their ores
•Properties of metals
Define with examples
Oxidation
Reduction
Why is an alloy of steel stronger than an alloy of iron. Explain using
diagrams
Keywords: shape memory alloy, density, malleable, ductile, corrosion
What properties do metals have and what can they be used for?
What are the advantages of recycling materials?
Keywords: Fossil fuel, crude oil, boiling point, viscosity, ignition, fractions
C1 Topic 5: Fuels
This topic looks at:
Label this diagram and explain how it works. Explain why the boiling points of
the fractions are important
•Combustion
•Crude oil
What is acid rain and how is it formed?
What is climate change and how does it happen?
What is the difference between complete and incomplete combustion.
Balancing Equations
1. Write a balanced equation for the complete combustion of methane
2. Write a balanced equation for the complete combustion of propane
3. Write a word equation for the incomplete combustion of methane
Keywords: complete, incomplete, oxygen, carbon monoxide
Keywords: hydrogen, carbon, single bond, double bond, saturated, unsaturated
C1 Topic 5: Fuels
This topic looks at:
Fill in the table below
•Alternative fuels
Number of
carbons
•Polymers and cracking
1
What are the advantages and disadvantages of Biofuel and hydrogen?
Advantages
2
3
Alkane
(Saturated)
Alkene
(Unsaturated)
Propane
4
Disadvantages
5
6
What are Hydrocarbons?
What is polymerisation?
Why do we need to crack molecules of hydrocarbons?
Finish the equation for cracking
C8H18  C2H4 +
Complete the polymerisation of ethene
Keywords: global warming, limewater, soot
What are the three ways we dispose of polymers and what are the
advantages of these methods of disposal