Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
8 Cards in this Set
- Front
- Back
|
What reagent do you use to test for starch? |
Iodine |
|
|
When _________ is present __________ goes from to blue to red. |
*Reducing sugar *Benedicts solution |
|
|
What colour does iodine change to when starch is present? |
Brown to blue/black |
|
|
What reagent do you use to test for protein? |
Biuret solution |
|
|
What does ethanol and water test for ? |
Fat |
|
|
What must you do after you adding the food being tested to Benedicts soluton? |
Heat using a boiling water bath for 5 minutes |
|
|
What colour does Biuret solution turn when protein is present? |
Blue to purple |
|
|
What happens when ethanol and water test positive? |
It goes from cloudy to clear |
