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  1. ...into a tube of alcohol in a hot water bath, you will see the solution in the tube become green . 2007-01-20 17:35:10 補充: The reason of putting the leaf into a tube of alcohol in a hot water bath is to speed up the destruction...

    分類:科學及數學 > 生物學 2007年01月25日

  2. ... paper. Positive result: Paper changes from yellow to green . Test for fats: Spot test Brief outline of procedures: put a drop of food sample onto a piece of filter paper. Dry and observe against light...

    分類:科學及數學 > 生物學 2009年10月13日

  3. ... from pink to purple, then the food contain glucose. Test for protein:: 1) Put a piece of albustix paper on the food solution 2) If the albustix paper turns from yellow to green , then the food contains protein. Test for fats: 1) ...

    分類:科學及數學 > 生物學 2007年09月19日

  4. ...and fructose) can be obtained. Tube B turns to bluish green because part of the sucrose converts into reducing sugars, as...

    分類:科學及數學 > 生物學 2011年04月16日

  5. ...dioxide is necessary for photosynthesis: put a leaf in a conical flask containing potassim hydroxide...yellow test end of an Albustix paper into each sample. Green colour indicates the presence of protein...

    分類:科學及數學 > 生物學 2008年04月15日

  6. ...find out the liquid contain starch or not, we can use iodine test . Put some iodine solu. into the liquid.If there is starch...protein, the Albustix paper will change from yellow to green . To find out whether there is Vitamin...

    分類:科學及數學 > 生物學 2010年01月09日