Light blue ppt, insoluble in excess sodium hydroxide - Copper(II) ion, Green ppt, insoluble in excess sodium hydroxide - Iron(II) ion, White ppt, insoluble in excess sodium hydroxide - Calcium ion, White ppt, soluble in excess sodium hydroxide giving a colourless solution - Zinc or aluminium ion, Ammonia produced when sodium hydroxide was added and then warmed - Ammonium ion, Red-brown ppt, insoluble in excess sodium hydroxide - Iron(III) ion, Ammonia gas produced when sodium hydroxide, aluminium foil were added then warmed - Nitrate ion, Light blue ppt, soluble in excess aqueous ammonia giving a dark blue solution - Copper(II) ion, Green ppt, insoluble in excess aqueous ammonia - Iron(II) ion, Red-brown ppt, insoluble in excess aqueous ammonia - Iron(III) ion, White ppt, soluble in excess aqueous ammonia giving a colourless solution - Zinc ion, White ppt in aqueous ammonia, insoluble in excess - Aluminium ion, White ppt in acidified aqueous silver nitrate - Chloride ion, Yellow ppt in acidified aqueous silver nitrate - Iodide ion, White ppt in acidified barium nitrate - Sulfate ion, The gas turns damp blue litmus paper to red and then bleach - Chlorine gas, The gas turns aqueous acidified potassium manganate(VII) from purple to colourless - Sulfur dioxide gas, The gas forms white precipitate in limewater - Carbon dioxide gas, The gas extinguishes a lighted splint with a ‘pop’ sound - Hydrogen gas, The gas relights a glowing splint - Oxygen gas , The gas turns damp red litmus paper blue - Ammonia gas ,

Qualitative Analysis Summary

排行榜

快閃記憶體卡是一個開放式範本。它不會為排行榜生成分數。

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