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Four students are talking about the chromatography experiment in science class. Which student is correct?
molecule
red dye # 75
Student C says that the water made some of the dye color molecules move farther up the paper than other dye colors.
Its particles will move faster than before.
The water molecules were attracted to the dye molecules and separated them as the water rose up the paper.
No, they have different properties so they must be made of different molecules.
The water made the different color dye molecules move different lengths up the paper so they spread out.
water
A solid chocolate bar is heated so it melts. How will the speed of its particles change?
molecule
red dye # 75
Student C says that the water made some of the dye color molecules move farther up the paper than other dye colors.
Its particles will move faster than before.
The water molecules were attracted to the dye molecules and separated them as the water rose up the paper.
No, they have different properties so they must be made of different molecules.
The water made the different color dye molecules move different lengths up the paper so they spread out.
water
Which of the following explains what happened to the food coloring during the chromatography experiment?
molecule
red dye # 75
Student C says that the water made some of the dye color molecules move farther up the paper than other dye colors.
Its particles will move faster than before.
The water molecules were attracted to the dye molecules and separated them as the water rose up the paper.
No, they have different properties so they must be made of different molecules.
The water made the different color dye molecules move different lengths up the paper so they spread out.
water
Why did the color dyes separate from the food coloring mixture?
molecule
red dye # 75
Student C says that the water made some of the dye color molecules move farther up the paper than other dye colors.
Its particles will move faster than before.
The water molecules were attracted to the dye molecules and separated them as the water rose up the paper.
No, they have different properties so they must be made of different molecules.
The water made the different color dye molecules move different lengths up the paper so they spread out.
water
When two or more atoms are joined together, it is called a:
molecule
red dye # 75
Student C says that the water made some of the dye color molecules move farther up the paper than other dye colors.
Its particles will move faster than before.
The water molecules were attracted to the dye molecules and separated them as the water rose up the paper.
No, they have different properties so they must be made of different molecules.
The water made the different color dye molecules move different lengths up the paper so they spread out.
water
What ingredient is Good Food Production worried is in their food coloring?
molecule
red dye # 75
Student C says that the water made some of the dye color molecules move farther up the paper than other dye colors.
Its particles will move faster than before.
The water molecules were attracted to the dye molecules and separated them as the water rose up the paper.
No, they have different properties so they must be made of different molecules.
The water made the different color dye molecules move different lengths up the paper so they spread out.
water
Which of the following is a pure substance (not a mixture)?
molecule
red dye # 75
Student C says that the water made some of the dye color molecules move farther up the paper than other dye colors.
Its particles will move faster than before.
The water molecules were attracted to the dye molecules and separated them as the water rose up the paper.
No, they have different properties so they must be made of different molecules.
The water made the different color dye molecules move different lengths up the paper so they spread out.
water
You have a bag of sugar and a box of salt. Are these two substances made from the same molecules?
molecule
red dye # 75
Student C says that the water made some of the dye color molecules move farther up the paper than other dye colors.
Its particles will move faster than before.
The water molecules were attracted to the dye molecules and separated them as the water rose up the paper.
No, they have different properties so they must be made of different molecules.
The water made the different color dye molecules move different lengths up the paper so they spread out.
water
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