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reactivity [復制鏈接]

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離線dinlo
 
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只看樓主 倒序閱讀 使用道具 樓主   發表于: 2008-12-11
Suggest how you would carry out an experiment to “show that magnesium lies above copper in the reactivity series” using the materials and apparatus listed below.

Chemicals:
copper(II) sulphate-5-water,magnesium ribbon, distilled water, sand paper.

Apparatus:
Beaker,glass rod

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離線eric_ah4
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只看該作者 1  發表于: 2008-12-11
1) use samd paper to brush Mg
2) put Mg into CuSO4.5H2O in a beaker with distilled water
3) Use the glass rod to stir it
4) The solution will change from blue to colourless

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離線dinlo
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只看該作者 2  發表于: 2008-12-11
引用第1樓eric_ah42008-12-11 21:05發表的“”:
1) use samd paper to brush Mg
2) put Mg into CuSO4.5H2O in a beaker with distilled water
3) Use the glass rod to stir it
4) The solution will change from blue to colourless
.......


姐我冇錯啦
離線yanyan
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只看該作者 3  發表于: 2008-12-12
引用第1樓eric_ah42008-12-11 21:05發表的“”:
1) use samd paper to brush Mg
2) put Mg into CuSO4.5H2O in a beaker with distilled water
3) Use the glass rod to stir it
4) The solution will change from blue to colourless
.......


sand paper
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引用第31樓國球旗2010-04-16 01:02發表的“”:

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