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酒精和水何著為一定為溶劑?
Oct 12th 2013, 13:37

一、溶劑、溶質、溶液
1.溶劑:用來溶解其他物質的液體,稱為溶劑。例:水、酒精、四氯化碳。
  (1) 我們泡茶時,是利用水將茶葉中的一些成分溶解而成茶汁。
  (2) 煮湯時,也是利用水將食物中的一些成分溶解而成湯液。
  (3) 血液中的水能幫助人體運送養分及廢物。
  (4) 因為很多物質都很容易溶解在水裡,所以說:水是很好的溶劑。

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