Would you eat a bowl full of rat poison and call it cereal? I really don’t think you would. What about giving your child de-icing chemicals for breakfast? I think you would have to be insane in order to do that as well. I ask these questions because foods that claim to be “healthy” may contain harmful chemicals‚ many of which the average person has no idea what they really are. Do you remember the 1997 Breyers ice cream commercial that asks a very simple question— “What’s in your ice cream?” In the
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various food colorings and to calculate their Rf values 4. To compare measured Rf values with standard Rf values 5. To separate mixtures of food coloring into their components 6. To identify the components of mixtures by means of their Rf values Materials / Apparatus: See “Health Chemistry Lab Experiments” page 24-29 ** Substitute capillary tubes for stirring rods** Procedure: See “Health Chemistry Lab Experiments” page 24-29 DATA AND OBSERVATIONS Part II Rf Values of Individual Food Colorings
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content‚ amounts of food dye‚ and artificial flavoring. But all that can be changed. So‚ Hershey’s should not discontinue Twizzlers‚ but improve the quality of the candy in order for a brighter future for the company. One reason why Twizzlers
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1. ------------------------------------------------- pply makeup. You can use makeup to create the illusion of a deathly pallor. A white/grey‚ purple or green tint works well for most people. Go to the drugstore and look for under-eye concealer or foundation base in these colors. Also purchase some dark eyeshadow‚ eyeliner and baby powder. ------------------------------------------------- Ads by Google ------------------------------------------------- How To Do Eye Makeup -------------------------------------------------
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Otherwise‚ your experiment will not work properly since the solvent will evaporate. 3. Describe the comparisons you made. (14 points) I made comparisons of colored dyes from different sources like Reese’s Pieces and M&M Candies to determine whether the coloring components are the same. I chose the same yellow color. The independent variable I chose is the different brands. The dependent variable is measured using the chromatography paper. 4. What was your independent variable? (15 points) The independent
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INVESTIGATORY PROJECT “Ink Out of Annatto” Prepared by: Group 4 Diana Tang Angelica Trinidad Lyra Zorilla Jessa Cantara Monica Tenorio Abstract This study was launched to produce a natural ink. The chief ingredients of the said product is Annatto (Bixa orellana L) seeds‚ the researcher decided to name as Annatto Ink. Two set-ups were organized by the researchers and each set-up had their trials.‚ The researchers gathered all the equipments and ingredients required‚ namely: Annatto
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is achieved by adding red food coloring. Common ingredients include buttermilk‚ butter‚ flour‚ cookie dough for the filling‚ cocoa‚ and beetroot or red food coloring. The amount of cocoa used varies in different recipes. Cream cheese frosting and buttercream frosting are commonly used. History: James Beard’s 1972 reference American Cookery[1] describes three red velvet cakes varying in the amounts of shortening and butter‚ also Vegetable Oil. All use red food coloring‚ but the reaction of acidic
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mixture is heterogeneous or homogenous . In a learning activity you can separate and possibly identify food dyes in some drinks mixes and food colors. The effect of solvent polarity or the ability to separate and elute compounds will also be demonstrated. In this experiment you will need to use the equation Xcm/Acm=RF value. The length of A‚ is the length of the longest line of the food dye or food coloring. The Length of X is the length of all the other variables. In the experiment the lengths will be
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Materials/Methods • 2 Test tubes • 1 Graduated cylinder • Food coloring • Water • 2 pieces of Lactuca sativa • 1 Test tube rack • Fan 70 ml. of water was measured in a graduated cylinder and poured into a test tube. 7 drops of red food dye was added into the test tube. 70 ml. of water was measured in a graduated cylinder and poured into a second test tube. 7 drops of blue food dye was added into the second test tube. A piece of Lactuca sativa was placed into the
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One such measurement is RF factor. The RF factor is how far a particular compound travels in a particular solvent. In this lab‚ it is how fare the dyes travel in saltwater. If the RF factors are similar to the RF factors of the control (food coloring) then they are most likely the same dye. On the website the four types of chromatography are also specified with possible uses. Liquid chromatography can be used to look for pollution in lakes (Science Olympiad). It is also used to test metal ions
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