Which of the following is a pure substance (not a mixture)?

A solid chocolate bar is heated so it melts. How will the speed of its particles change?

Why did the color dyes separate from the food coloring mixture?

What caused the four objects to separate in the FAN chromatography experiment?

What ingredient is Good Food Production worried is in their food coloring?

Which of the following explains what happened to the food coloring during the chromatography experiment?

A student has a glass of milk and a glass of orange juice. Are these two liquids made from the same molecules?

When two or more atoms are joined together, it is called a:

You have a bag of sugar and a box of salt. Are these two substances made from the same molecules?

Four students are talking about the chromatography experiment in science class. Which student is correct?

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