HOMS: Final Exam Review 8th Grade

• Element
• Compound
• Mixture of compound and element
• Mixture of elements

• Element
• Compound
• Mixture of compound and element
• Mixture of elements

• Element
• Compound
• Mixture of compound and element
• Mixture of two elements

• Element
• Compound
• Mixture of compound and element
• Mixture of two elements

A mixture can be separated by ________ means. 

• physical
• chemical

Which of the following IS a mixture?

• air
• hydrogen
• water
• sugar

Which one of the following would you use to separate sand from iron filings?

• a bar magnet
• filter paper
• chromatography paper
• alum

In a coffee machine, the ground coffee is separated from the coffee solution by using..

• sand paper
•  filter paper
• toilet paper
•  tissue paper

What is the difference between a mixture and a compound?

• compounds are easily taken apart
• mixtures are easily taken apart
• mixtures are chemically combined
• there is no difference

The total amount of matter (atoms) before and after a chemical reaction remains the same.

• True
• False