food test 點做

2008-02-03 8:39 pm
food test 點做?
glucose+acid ----------> ?

回答 (1)

2008-02-06 1:22 am
✔ 最佳答案
food test:
1)reducing sugar:By adding benedict's solution, colour will change blue to red.
2)glucose:By using clinistix paper,colour will change from pink to blue.
3)starch:add the iodine solutionin it, the colour will cjange brown to blue-black.
4)fats:add the solution on a filter paper, a transulcent spot will be appear.
5)protein:use albustix solution to test. the colour will change from yellow to greenish blue.
6)fopr vitaminC,you may use DCPIP solution to test.the colour will change from blue to colourless

glucose+acid:
I think you should tell me what acid is.
For glucose(C6H12O6)+concentrated sulphate acid(H2SO4)---->6C+6H2O


收錄日期: 2021-04-25 22:28:28
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080203000051KK01086

檢視 Wayback Machine 備份