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Ninth Grade (Grade 9) Solvents, Solutes, and Solubility Questions

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Grade 9 Solvents, Solutes, and Solubility
A liquid substance capable of dissolving other substances is called a                .
  1. solution
  2. solute
  3. dissolver
  4. solvent
Grade 9 Solvents, Solutes, and Solubility
The substance in a solution that does the dissolving is                .
  1. solvent
  2. solute
  3. concentrate
  4. solution
Grade 9 Solvents, Solutes, and Solubility
What type of solution has a small amount of solute?
  1. saturated
  2. concentrated
  3. dilute
  4. supersaturated
Grade 9 Solvents, Solutes, and Solubility
A substance that is dissolved in a solvent is called a                .
  1. solute
  2. solid
  3. substance
  4. solvent
Grade 9 Solvents, Solutes, and Solubility
The substance that is dissolved in a solution is a                .
  1. solvent
  2. solute
  3. concentrate
  4. solution
Grade 9 Solvents, Solutes, and Solubility
Water is a                 molecule.
  1. polar
  2. nonpolar
  3. covalent
  4. ionic
Grade 9 Solvents, Solutes, and Solubility
Which of the following makes up a molecule of water?
  1. one atom of hydrogen and one atom of oxygen
  2. one atom of hydrogen and two atoms of oxygen
  3. two atoms of hydrogen and one atom of oxygen
  4. two atoms of hydrogen and two atoms of oxygen
Grade 9 Solvents, Solutes, and Solubility
When a solution can dissolve no more solute because it is at its maximum solute level, how can that solution be described?
  1. unsaturated
  2. saturated
  3. supersaturated
  4. concentrated
Grade 9 Solvents, Solutes, and Solubility
How could I make a powdered drink mix have a stronger flavor or make it more concentrated?
  1. Add more solvent
  2. Shake it up more
  3. Heat it
  4. Add more solute
Grade 9 Solvents, Solutes, and Solubility
What type of solution has a large amount of solute?
  1. dilute
  2. solid
  3. saturated
  4. concentrated
Grade 9 Solvents, Solutes, and Solubility
When a solution can still dissolve more solute due to it having less solute than its maximum amount, what is the solution called?
  1. unsaturated
  2. saturated
  3. supersaturated
  4. unconcentrated
Grade 9 Solvents, Solutes, and Solubility
Which of the following is not a way to speed up the dissolving rate of a solute in a solvent?
  1. mixing
  2. heating
  3. cooling
  4. crushing
Grade 9 Solvents, Solutes, and Solubility
Air is a solution of 78% nitrogen, 21% oxygen and 1% other gases. Which part of this solution is the solvent?
  1. air
  2. nitrogen
  3. oxygen
  4. other gases
Grade 9 Solvents, Solutes, and Solubility
Which of the following makes up a molecule of water?
  1. one atom of hydrogen and one atom of oxygen.
  2. one atom of hydrogen and two atoms of oxygen
  3. two atoms of hydrogen and one atom of oxygen
Grade 9 Solvents, Solutes, and Solubility
How could a strong solution be made weaker?
  1. dilute it
  2. concentrate it
  3. mix it
  4. pour some out
Grade 9 Solvents, Solutes, and Solubility
Water is an important moderator of temperature due to its                   .
  1. pH
  2. capillary action
  3. surface tension
  4. high heat capacity
Grade 9 Solvents, Solutes, and Solubility
Polar dissolves                .
  1. like
  2. polar
  3. nonpolar
  4. unlike
Grade 9 Solvents, Solutes, and Solubility
Which of the following statements correctly describes electrolytes?
  1. Electrolytes always contain metals
  2. Electrolytes all have a pH value of 7
  3. Electrolytes have low melting points
  4. Electrolytes are strong conductors of electricity in solution
Grade 9 Solvents, Solutes, and Solubility
A solution is a
  1. combination of isotopes.
  2. chemical reaction.
  3. mixture in which particles of the different substances disperse evenly.
Grade 9 Solvents, Solutes, and Solubility
What property of water is critical to its role as a universal solvent and its ability to form hydrogen bonds?
  1. Its high density
  2. The fact that its molecules are polar
  3. The fact that its molecules are nonpolar
  4. Its high specific heat capacity
  5. Its neutral pH
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