Oil rig = oxidation is lost reduction is gain (of electrons)
The Benedicts test= shows the relationship between the concentration of reducing sugars.
The differences in colour mean that the benedicts test is semi-quantitative.
colours for the benedicts test=
green =none, yellowish green = very low, yellowish brown= low, dark brown = medium, red= high
Benedicts reagent turns red when heated with a reducing sugar beacuse the sugar gains more electrons making the bonds stronger.
another way of testing this is the starch test
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