Chromium is industrially extracted from chromium(III) oxide (Cr2O3Cr_2O_3Cr2O3) by heating it with aluminium powder in a highly exothermic thermite reaction. In this process, the chromium(III) oxide loses oxygen to form chromium metal.
State the specific chemical term used to describe a reaction in which a compound loses oxygen.
Practise Edexcel GCSE Chemistry Obtaining and using metals with exam-style questions for Foundation and Higher tier. 100 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.