Chromatography Activity by Cassidy Perez [Student FVHS]

1. Each colored ink in the markers you used is a solution. Why is it a solution instead of a suspension or a colloid?

17perezcd109 — 2013-11-11 04:00:31 UTC

2. What colored ink has the most colors dissolved in it?

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3. What are all the colors that make up the color in the previous question?

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4. What colors make up the green ink?

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5. What colors make up the red ink?

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6. What colors make up the blue ink?

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7. The color that travelled the furthest on the filter paper (closest to the edge) is the color that dissolved into the water the best. Which color dissolves into the water the easiest?

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8. The color that traveled the least on the filter paper (closest to the middle) means that it dissolved into the water the least. Which color dissolves into the water the least?

17perezcd109 — 2013-11-11 04:03:03 UTC

9. From your chromatography paper, list down the colors from the color that dissolved the least to the color that dissolved the most. (use commas to separate the colors

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10. What is the difference between a pigment and a dye? Explain with complete sentences and remember to use citations.

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17perezcd109 — 2013-11-11 04:04:12 UTC

1. The colored ink in the markers I used is a solution instead of a suspension or colloid because a solution is a homogeneous mixture of two or more substances, while a suspension is when the particles in a solvent are so large that they have to be stirred or agitated and a colloid is when particles are in intermediate sizes between solutions and suspensions.

17perezcd109 — 2013-11-11 04:13:11 UTC

2. The colored ink that has the most colors dissolved in it is black.

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3. All of the colors that make up the color black are a light brown, light pink and teal.

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4. The colors that make up the green ink are a light blue and dark blue

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5. The colors that make up the red ink are fuchsia and red.

17perezcd109 — 2013-11-11 04:21:57 UTC

6. The colors purple and dark blue make up the blue ink

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7. The color that traveled the furthest on the filter paper, which means it dissolves the easiest in water was the color black.

17perezcd109 — 2013-11-11 04:25:22 UTC

8. The color that traveled the least on the filter paper, which means is dissolves least in water was the color yellow.

17perezcd109 — 2013-11-11 04:26:55 UTC

9. The colors that dissolved the least to the colors that dissolved the most are yellow, red, purple, blue and black.

17perezcd109 — 2013-11-11 04:29:42 UTC

10. The difference between a pigment and a dye is that a dye is soluble in water and is used to color cloth while a pigment is a coloring matter that is usually found in an insoluble powder.

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