metal hydroxide test

Question 1

how do you do the metal hydroxide test

Answer 1

react metal ions with a solution of sodium hydroxide, and see what colour the solution turns)

Question 2

what colour precipitate is formed when copper(ii) reacts with hydroxide ions

Answer 2

it forms a blue precipitate of copper hydroxide

Question 3

what colour precipitate is formed when calcium reacts with hydroxide ions

Answer 3

white precipitate

Question 4

what colour precipitate is formed when iron(ii) reacts with hydroxide ions

Answer 4

green precipitate

Question 5

what colour precipitate is formed when iron(iii) reacts with hydroxide ions

Answer 5

brown precipitate

Question 6

what colour precipitate is formed when magnesium reacts with hydroxide ions

Answer 6

white precipitate

Question 7

what colour precipitate is formed when aluminium reacts with hydroxide ions

Answer 7

white precipitate at first, but if there is excess sodium hydroxide, it then re-dissolves to form a colourless solution