–(i)
How does pH affect the rate of corrosion? [1]
–
–(ii)
How does temperature affect the rate of corrosion? [1]
–
•Explain
this in terms of moving particles. [2]
–
–
–
–(iii) The presence of acidic gases in the air may increase the
rate of corrosion. State the name and source of one acidic
gas found in the air as a result of pollution.
•name
•source
[2]