... copper(II) sulphate轉色的情況一樣,但就會是由blue change to pink
...yellow gradually. At the end point, the solution changes from yellow to pale pink . c. The reducing agent is the iron(II) ion. d. ...
...13:41:19 補充： Above pH 10.0, phenolphthalein is red (or deep pink ). Below pH 8.3, phenolphthalein is colourless. ...
...gt; C6H6O6 + C12H9NCl2O2 It will change from blue to pink color that persists for 10 seconds or more so you can calculate the...
Red rose (Any deeply coloured plants.) Hope I can help you =D 2009-08-15 17:20:24 補充： Another one: Hydrangeas (繡球花) blue in acidic substance, pink in alkaline substance
Cr3+ compound : green in colour Ni2+ compound : green in colour Mn2+ compound : pale pink in colour OH- & NH3: COLOURLESS
...iron end turns blue, and that near the silver plated end turns pink . Iron is more reactive than silver, and thus iron is oxidized...
... below 8.3 is colourless, pH 8.3-10 is pink , and pH above 10 is red.) When phenolphthalein is put into...
...blue (藍色)。 In the presence of water (when wet), cobalt(II) ion is pink (粉紅色)。 2. Halide means: (1) the anion of a halogen, i.e. ...
