Mixtures

Which of the following is a mixture and why?

• Pure water because it has both hydrogen and oxygen in it.

• Salt water because it contains both salt and water that are not chemically bonded.

• Pure water because the hydrogen and oxygen are chemically bonded to each other.

• Salt water because sodium is chemically bonded to chlorine and hydrogen is chemically bonded to oxygen

How is a homogeneous mixture different from a heterogeneous mixture?

• There is no difference.

• Homogeneous mixtures are always liquids while heterogeneous mixtures are solids.

• Homogeneous mixtures look the same throughout while heterogeneous mixtures look different throughout.

• Heterogeneous mixtures look the same throughout while homogeneous mixtures look different throughout.

Which of the following is a homogeneous mixture?

• iced tea

• trail mix

• sand

• wood

Which of the following is a heterogeneous mixture?

• Kool aid

• milk

• copper

• chocolate chip cookies

What type of mixture does this particle diagram represent?

• There is no way to tell

• Pure Substance

• Heterogeneous mixture

• Homogeneous mixture

Which of the following is a heterogeneous mixture?

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• 
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Which of the following is best separated by filtration?

• sugar water

• salt and sand

• pasta and water

• glass

Which of the following is best separated by distillation?

• sugar water

• salt and sand

• pasta and water

• glass