Ammonium phosphate is a fertiliser used to provide crops with essential nutrients. Another common chemical fertiliser is ammonium sulfate.
Which of the following sets of elements are present in ammonium sulfate?
nitrogen, oxygen and sulfur only
hydrogen, nitrogen and sulfur only
hydrogen, nitrogen, oxygen and sulfur only
hydrogen, oxygen and sulfur only
230 exam-style questions on Edexcel GCSE Chemistry 1.1 Formulae, equations and hazards, covering 1.1.1 Formulae, word and balanced equations, 1.1.2 Balanced ionic equations, and 1.1.3 Hazard symbols and risk in practical work. Each one has a worked solution and a mark scheme showing where the marks go.