A student adds a few drops of sodium hydroxide solution to an unknown solution and a green precipitate is formed.
Which metal ion is present in the original solution?
A
Calcium
B
Copper(II)
C
Iron(II)
D
Iron(III)
Markscheme
Identifying the products of chemical reactions Questions
41 exam-style questions on OCR GCSE Chemistry Identifying the products of chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.