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Mixtures (Grade 8)

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Mixtures

1. 
A mixture consists of two or more elements or compounds that are chemically combined, not physically mixed.
  1. True
  2. False
 
2. 
In a mixture, components lose their properties to form a new substance.
  1. True
  2. False
3. 
Both of these foods would be classified as a homogeneous mixture.
  1. Chicken noodle soup and fudge ripple ice cream
  2. Soda pop and chocolate ice cream
  3. Rocky road ice cream and an orange
  4. Watermelon and spaghetti with meatballs
 
4. 
What type of mixture will not allow light to pass through?
  1. Suspension
  2. Colloid
  3. Solution
  4. Mixture
5. 
A mixture of two or more uniformly dispersed substances is a(n)?
  1. Colloid
  2. Solution
  3. Suspension
 
6. 
A liquid mixture in which particles can be seen and easily separated by settling or filtration is a
  1. solution
  2. suspension
  3. solvent
  4. solute
7. 
A solution which holds a higher concentration of a solute than is normally possible at a certain temperature and pressure is called a                .
  1. solute
  2. solvent
  3. supersaturate
  4. mixture
 
8. 
                is the substance in a solution that dissolves.
  1. Filtration
  2. Solute
  3. Solvent
9. 
What is the definition of a solvent?
  1. The substance that is dissolved.
  2. The substance in which the solute is dissolved.
  3. Unable to be dissolved.
 
10. 
What is often called the universal solvent?
  1. sodium chloride
  2. oxygen
  3. sodium
  4. water
11. 
If a material's composition varies from region to region it can be classified as
  1. homogeneous
  2. heterogeneous
 
12. 
A suspension is composed of substances that are evenly among each other.
  1. True
  2. False
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