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WorksheetsIGCSE tests for cations
Total questions: 16
Worksheet time: 8mins
Effect of aqueous sodium hydroxide on aluminium (Al3+)
white ppt, soluble in excess giving a colourless solution
ammonia produced on warming
white ppt, insoluble in excess
green ppt, soluble in excess
light blue ppt, insoluble in excess
Effect of aqueous sodium hydroxide on ammonium (NH4+)
green ppt, insoluble in excess
light blue ppt, insoluble in excess
ammonia produced on warming
red-brown ppt, insoluble in excess
white ppt, soluble in excess, giving a colourless solution
Effect of aqueous sodium hydroxide on calcium (Ca2+)
white ppt, soluble in excess, giving a colourless solution
white ppt, insoluble in excess
green ppt, soluble in excess
red-brown ppt, insoluble in excess
light blue ppt, insoluble in excess
Effect of aqueous sodium hydroxide on chromium(III) (Cr3+)
white ppt, soluble in excess giving a colourless solution
light blue ppt, insoluble in excess
green ppt, soluble in excess
white ppt, insoluble in excess
ammonia produced on warming
Effect of aqueous sodium hydroxide on copper (Cu2+)
white ppt, soluble in excess giving a colourless solution
light blue ppt, insoluble in excess
green ppt, soluble in excess
white ppt, soluble in excess, giving a colourless solution
ammonia produced on warming
Effect of aqueous sodium hydroxide on iron(II) (Fe2+)
white ppt, soluble in excess giving a colourless solution
light blue ppt, insoluble in excess
green ppt, insoluble in excess
white ppt, insoluble in excess
ammonia produced on warming
Effect of aqueous sodium hydroxide on iron(III) (Fe3+)
white ppt, soluble in excess, giving a colourless solution
white ppt, insoluble in excess
green ppt, soluble in excess
red-brown ppt, insoluble in excess
light blue ppt, insoluble in excess
Effect of aqueous sodium hydroxide on zinc (Zn2+)
white ppt, soluble in excess, giving a colourless solution
white ppt, insoluble in excess
green ppt, soluble in excess
red-brown ppt, insoluble in excess
light blue ppt, insoluble in excess
Effect of aqueous ammonia on aluminium (Al3+)
white ppt, soluble in excess giving a colourless solution
no ppt or very slight white ppt
white ppt, insoluble in excess
grey-green ppt, insoluble in excess
light blue ppt, soluble in excess giving a dark blue solution
Effect of aqueous ammonia on ammonium (NH4+)
grey-green ppt, insoluble in excess
light blue ppt, soluble in excess giving dark blue solution
-
red-brown ppt, insoluble in excess
white ppt, soluble in excess, giving a colourless solution
Effect of aqueous ammonia on calcium (Ca2+)
white ppt, soluble in excess, giving a colourless solution
white ppt, insoluble in excess
green ppt, insoluble in excess
red-brown ppt, insoluble in excess
no ppt, or very slight white ppt
Effect of aqueous ammonia on chromium(III) (Cr3+)
white ppt, soluble in excess giving a colourless solution
green ppt, insoluble in excess
grey-green ppt, insoluble in excess
no ppt, or very slight white ppt
red-brown ppt, insoluble in excess
Effect of aqueous ammonia on copper (Cu2+)
white ppt, insoluble in excess
light blue ppt, soluble in excess giving a dark blue solution
green ppt, insoluble in excess
white ppt, soluble in excess, giving a colourless solution
grey-green ppt, insoluble in excess
Effect of aqueous ammonia on iron(II) (Fe2+)
white ppt, soluble in excess giving a colourless solution
red-brown ppt, insoluble in excess
green ppt, insoluble in excess
white ppt, insoluble in excess
-
Effect of aqueous ammonia on iron(III) (Fe3+)
white ppt, soluble in excess, giving a colourless solution
white ppt, insoluble in excess
green ppt, soluble in excess
red-brown ppt, insoluble in excess
grey-green ppt, insoluble in excess
Effect of aqueous ammonia on zinc (Zn2+)
white ppt, soluble in excess, giving a colourless solution
white ppt, insoluble in excess
green ppt, insoluble in excess
red-brown ppt, insoluble in excess
light blue ppt, soluble in excess giving a dark blue solution
