Corrosion is a chemical process that causes the gradual destruction of metals when they are exposed to the environment.
Which statement best describes what happens chemically to a metal when it undergoes corrosion?
The metal atoms gain electrons to form negative ions.
The metal reacts with inert noble gases in the atmosphere.
The metal atoms are oxidized by reacting with substances in the environment.
The metal element undergoes a thermal decomposition reaction.
Practise Edexcel GCSE Chemistry Transition metals, alloys and corrosion with exam-style questions for Foundation and Higher tier. 97 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
