Edexcel IGCSE Chemistry 2.31 Recycling metals
Practise linking acidic and alkaline solutions to the ions present in water, including formulae for H+ and OH- in pH questions.
- Syllabus
- First assessment 2019
- Course
- Chemistry 4CH1
Practise linking acidic and alkaline solutions to the ions present in water, including formulae for H+ and OH- in pH questions.
Sodium hydroxide dissolves in water, forming a strongly alkaline solution.
Ammonia dissolves in water, forming a slightly less alkaline solution.
Identify the ion that makes the sodium hydroxide solution alkaline.
hydroxide/ OH−
ALLOW HO −
REJECT OH
1
grad