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When conducting a qualitative test for reducing sugar, how many steps are there?
6 steps.
Label 2 boiling tubes A and B
Place glucose solution in A
Place water into B
Add Benedict’s solution an swirl
Place tubes in water bath and heat
Expected result- A positive- brick red and B neg- blue
When conducting a qualitative test for reducing sugar, what is the expected result?
Expected result: A positive- brick red and B negative- blue
When conducting a qualitative test for reducing sugar, what equipment is needed?
Two boiling tubes
Glucose solution (or apple)
Water (control)
Benedict’s solution
Water bath and warm water (possibly thermometer)
What is used to test for reducing sugar?
Benedict’s solution
Positive- brick red
Negative- blue
Glucose solution/ apple
Water
Which of the food experiments involve the boiling tubes to be placed in a water bath and heated?
Test for reducing sugar
When conducting a qualitative test for starch, how many steps are there?
6 steps
Label 2 boiling tubes A and B
Place starch solution into tube A
Place water into tube B
Add iodine solution to each
Swirl both and observe colour change
Expected result
: A pos- blue/black and B neg- iodine is reddish.
When conducting a qualitative test for starch, what equipment is needed?
2 boiling tubes
Starch solution (or bread/potato)
Water (control)
Iodine solution (reddish colour)
When conducting a qualitative test for starch, what is the expected result?
Expected result: A positive- blue/black and B negative- red
What is used to test for starch?
Iodine solution (red)
Positive
: blue or black
Negative
: red
Author
jacquelineglynn
ID
363381
Card Set
Experiments
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Updated
2023-05-01T10:52:40Z
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