The photograph shows severe rusting of the steel body of a motorcar - Junior Cycle Science - Question d - 2011
Question d
The photograph shows severe rusting of the steel body of a motorcar.
Give one condition necessary for rusting to occur. Describe one method of preventing rust happen... show full transcript
Worked Solution & Example Answer:The photograph shows severe rusting of the steel body of a motorcar - Junior Cycle Science - Question d - 2011
Step 1
Condition necessary for rusting to occur
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Answer
One necessary condition for rusting to occur is the presence of water. Water acts as an electrolyte that facilitates the electrochemical reactions involved in rust formation.
Step 2
Method of preventing rust happening
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Answer
One effective method for preventing rust is painting the steel body of the motorcar. A layer of paint acts as a barrier, protecting the metal surface from moisture and oxygen, which are essential for the rusting process.
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