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Seventh Grade (Grade 7) Bonds and Mixing Questions

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Grade 7 Bonds and Mixing
Grade 7 Bonds and Mixing
Grade 7 Bonds and Mixing
A very well mixed mixture.
  1. boiling point
  2. mixture
  3. solution
Grade 7 Bonds and Mixing
The force that holds two atoms together.
  1. electrolysis
  2. chemical bond
  3. melting point
Grade 7 Bonds and Mixing
Grade 7 Bonds and Mixing
The major difference between concentration and solubility is that
  1. Concentration is measured in grams of solute per 100mL of solution and solubility is measured in grams of solute per 100mL of solvent.
  2. Concentration is measured in grams of solute per 100mL of solvent and solubility is measured in grams of solute per 100mL of solution.
  3. Concentration is measured in liters of solute per 100g of solvent and solubility is measured in liters of solute per 100g of solution.
  4. There is no difference. Concentration and solubility is measuring the same variables.
Grade 7 Bonds and Mixing
Ionic bonding occurs between
  1. a metal and a nonmetal
  2. two metals
  3. two nonmetals
  4. None of the above
Grade 7 Bonds and Mixing
Which one is not an example of filtration:
  1. coffee filter
  2. fishing net
  3. tea bag
  4. strainer
Grade 7 Bonds and Mixing
Grade 7 Bonds and Mixing
A mixture in which the substances are not mixed evenly is called
  1. heterogeneous
  2. a solution
  3. precipitated
  4. homogeneous
Grade 7 Bonds and Mixing
In a mixture, substances
  1. keep their own properties.
  2. have a definite chemical composition.
  3. lose their original properties.
  4. combine chemically.
Grade 7 Bonds and Mixing
Which of the following is a solution?
  1. salt water
  2. chlorine
  3. milk
  4. muddy water
Grade 7 Bonds and Mixing
Grade 7 Bonds and Mixing
The solubility of most solids in water can be increased by
  1. increasing the solvent
  2. increasing temperature
  3. stirring slowly
  4. increasing the solute
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