Science
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sedimentary |
Chalk is a sedimentary rock.
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decomposition |
In thermal decomposition heat is used to break a chemical apart.
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electrolysis |
In electrolysis a compound is broken apart using a direct current.
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oxidation |
Oxygen is added during oxidation.
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alloy |
An alloy contains a mixture of metals.
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hydrocarbon |
A hydrocarbon is made up of hydrogens and carbons only.
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polymerisation |
In polymerisation, short alkenes are joined together to make a long chain.
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renewable |
Biofuels are renewable as we can make more of them.
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alkene |
An alkene is a hydrocarbon with a least one double bond.
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fuel |
A bio fuel is often made from sugar cane.
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