In chemical manufacturing, it is rare for an industrial process to achieve a 100% yield of the desired product.
State two reasons why the percentage yield of a chemical reaction is usually less than 100%.
Practise Edexcel GCSE Chemistry Quantitative analysis 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.