Positve ions - Metal Hydroxides (Edexcel GCSE Chemistry Combined Science): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
Which reagent is added to a solution to identify metal ions?
Which reagent is added to a solution to identify metal ions?
Sodium hydroxide
What do metal ions form when sodium hydroxide is added?
What do metal ions form when sodium hydroxide is added?
Metal hydroxide precipitates
What colour precipitate does calcium ion () form with sodium hydroxide?
What colour precipitate does calcium ion () form with sodium hydroxide?
White
What colour is the magnesium hydroxide precipitate formed with NaOH?
What colour is the magnesium hydroxide precipitate formed with NaOH?
White
What happens to aluminium hydroxide in excess sodium hydroxide?
What happens to aluminium hydroxide in excess sodium hydroxide?
It dissolves forming a colourless solution
What colour precipitate does copper ion () form with sodium hydroxide?
What colour precipitate does copper ion () form with sodium hydroxide?
Blue
What colour precipitate does iron(II) ion () form with NaOH?
What colour precipitate does iron(II) ion () form with NaOH?
Green
What colour precipitate does iron(III) ion () form with NaOH?
What colour precipitate does iron(III) ion () form with NaOH?
Brown
Are metal hydroxides generally soluble or insoluble in water?
Are metal hydroxides generally soluble or insoluble in water?
Insoluble
Which metal hydroxide dissolves in excess NaOH, unlike the others?
Which metal hydroxide dissolves in excess NaOH, unlike the others?
Aluminium hydroxide
Which three metal ions form white precipitates with sodium hydroxide?
Which three metal ions form white precipitates with sodium hydroxide?
Calcium, magnesium, aluminium