The statement is: It is believed that pack snacks like potato chips and tortilla chips have no food nutrients. Plan and design an experiment to inevestigate if the statement is true.
if you could just help me with the hypothesis i'd be thankful.... ^_^ please help meee?
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You can set up an experiment with 4 test tubes, each containing the following, 2cm^3 of sodium hydroxide solution, 2cm^3 of benedict's solution, 2cm^3 of ethanol and 2cm^3 of iodine. Then, tae a few pieces of potato chips and crush them into tiny pieces. For biuret's test(one with sodium hydroxide), you have to add 2cm^3 of chips into the test tube and shake thoroughly. If it turns violet, protein is present. For benedict's test, you have to add 2cm^3 of chips into the test tube and shake thoroughly. If the solution turns brick-red, reducing sugar is present. Reducing sugars are the following, glucose, fructose,galactose, maltose and lactose. For ethanol emulsion test, add 2cm^3 of chips into the test tube and shake thoroughly. Allow the solid particles to settle and carefully pour away the top layer of ethanol into another test tube containing 2cm^3 of water. If it a white precipitate is observed, fats is present. Lastly. for iodine test, put 2cm^3 of chips into the test tube and shake thoroughly. If it turns blue-black from a brown solution, starch is present. Repeat the same for tortilla chips.
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