Aluminium: White precipitate forms, precipitate re-dissolves
Ammonium: Ammonia gas given off, no change
Calcium: White precipitate forms, no change
Chromium(III): Grey-green precipitate forms, dark green solution forms
Copper(II): Blue precipitate forms, no change
Iron(II): Green precipitate forms, no change
Iron(III): Orange-brown precipitate forms, no change
Zinc: White precipitate forms, precipitate re-dissolves