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1.1 Formulae, equations and hazards

1.1 Formulae, equations and hazards

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Question 81

Ammonium iron(II) sulfate (Mohr's salt) is a double salt commonly used as a primary standard in redox titrations because of its high stability against oxidation in air.

Which of the following lists all the chemical elements present in anhydrous ammonium iron(II) sulfate?

A

hydrogen, iron, nitrogen and oxygen only

B

hydrogen, iron, nitrogen and sulfur only

C

hydrogen, iron, nitrogen, oxygen and sulfur only

D

iron, nitrogen, oxygen and sulfur only

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1.1 Formulae, equations and hazards Questions

  1. GCSE
  2. /Chemistry
  3. /1.1 Formulae, equations and hazards

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.

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