Light Blue
Because this solution contain copper(II) sulfate.
Sodium carbonate is added to increase the pH of the solution.
Benedicts solution
No colour
It is normally benedicts solution. Add about 1/4 of the total sugar solution to a test tube and heat it in a hot water bath at around 50 degrees C for 5 min. For example, heat 40mL of sugar water (C12H22O11 aq ) with 10mL of Benedicts soluton (copper and sodium salts). If it is a positive test it will turn yellow.
the solution will turn a 'brick red' colour if positive but will stay blue if negative.
Yellow, because milk contains lactose which is a reducing sugar.
Glucose
Starch solution.
prosrdure of benidect solution test
Because this solution contain copper(II) sulfate.
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will ribose turn benedicts solution red
2 words. Benedicts Solution
because it contains glucose
Sodium carbonate is added with the purpose to increase the pH of the solution.
Sodium carbonate is added to increase the pH of the solution.