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8 Terms
Aluminium, Al³⁺
white ppt, soluble in excess, giving a colourless solution # white ppt, insoluble in excess
Ammonium, NH₄⁺
ammonia produced on warming
Calcium, Ca²⁺
white ppt, insoluble in excess # no ppt, or very slight white ppt
Chromium(III), Cr³⁺
green ppt, soluble in excess, giving a grey-green solution # grey-green ppt, insoluble in excess
Copper(II), Cu²⁺
light blue ppt, insoluble in excess # light blue ppt, soluble in excess, giving a dark blue solution
Iron(II), Fe²⁺
green ppt, insoluble in excess, ppt turns brown on standing # green ppt, insoluble in excess
Iron(III), Fe³⁺
red-brown ppt, insoluble in excess # red-brown ppt, insoluble in excess
Zinc, Zn²⁺
white ppt, soluble in excess, giving a colourless solution # white ppt, soluble in excess, giving a colourless solution
Note 
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