Cobalt glass is a deep blue colored glass prepared by adding... to filter out the yellow flame caused by the contamination of sodium. cobalt glass是一塊藍色玻璃片，在焰色測試可用到，用於隔除某波段的光。
YES. Cobalt chloride paper is a indicator of water. If some solution which contain with water...
dry cobalt chloride paper, pink in colour. 當遇到水o既時候, H2O就會跟 cobalt ions form complex, blue in colour. 所以佢可以用黎test for presence of water, 例如尿濕顯示.
Cobalt is a hard, lustrous, silver-gray metal, a..., and varnishes. 27 iron ← cobalt → nickel - ↑ Co ↓ Rh 圖片...-1.5/common/images/magnify-clip.png Cobalt blue glasshttp://en.wikipedia.org/wiki/ Cobalt
The key point of the test is that, you could only use DRY cobalt chloride paper to test for the presence of water. I would first dry the paper...
Cl-為弱ligand，Co2+只以dsp2雜化來駁4個。 NH3為強ligand，可影響Co2+形成d2sp3雜化來駁6個。 2010-04-03 19:30:17 補充： I− < Br− < S2− < SCN− <...
Cobalt has a hydrated chloride with the chemical formula CoCl2•...
A)The cobalt chloride paper covering the lower surface turn from blue to pink , because...
...)離子 iron(ll) ion - 鐵(II)離子 iron(lll) ion - 鐵(III)離子 cobalt (ll) ion - 鈷(II)離子 nickel(ll) ion - 鎳(II)離子 chromium(lll) ion...
