Aim:to find complex simple and complex sugars
Hypothesis: i think that most of the food is going to change but not all of them are
Method:
put iodine in a test tube and put the food in the test tube and then the food with the liquid
Potato: complex
Apple: complex
Bread: complex
Egg: simple
Sugar:simple
Second test:
Aim: Testing foods to see if there simple or complex
Equipment: water bath, test long tubes, benedicts solution, a sample of food
Method: place about 2ML of the sample into a test tube and then add 5 drops of benedicts solution.
heat with water bath until it changes colour
Results:
Milk: positive
Bread: positive
Egg: not positive
suga: Positive
potato: positive
apple: positive
3 test
Equipment: test tube, sodium hydroxide (NaOh), Copper sulfate (CusO), food sample
Method:place about 2mL of the sample into the test tube and 5 drops of sodium hydroxide (NaOh)
add 5 drops on copper sulfate shake the test tube gently from side to side
results:
potato: neg
apple: neg
Milk: positive
bread: neg
suga: neg
egg: positive
Conclusion:
No everythign turnt out how i thought it would but i guess thats life
Anyway welcome to my first 2020 blog of being a year 9
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