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Types of Aqueous Solutions quiz #1

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  • What is formed when salt (NaCl) is dissolved in water?
    When salt (NaCl) is dissolved in water, a homogeneous aqueous solution is formed where NaCl dissociates into Na+ and Cl- ions.
  • Which substances form a homogeneous mixture when mixed with water?
    Substances that dissolve completely in water, such as table salt (NaCl) or sugar, form homogeneous mixtures known as solutions.
  • What is a colloid?
    A colloid is a mixture where dispersed particles are intermediate in size between those in solutions and suspensions, and do not settle out upon standing.
  • What type of solution is distilled water?
    Distilled water is a pure solvent and not a solution, as it contains no dissolved solute.
  • What happens when reactions occur in aqueous solutions?
    When reactions occur in aqueous solutions, the reactants are dissolved in water, allowing ions or molecules to interact and react.
  • What is present in an aqueous solution of NaCl?
    An aqueous solution of NaCl contains Na+ ions, Cl- ions, and water molecules.
  • What kind of mixture is a solution?
    A solution is a homogeneous mixture where the solute is uniformly distributed within the solvent.
  • What type of solution is formed when solid sodium hydroxide (NaOH) is dissolved in water?
    When solid NaOH is dissolved in water, an aqueous solution is formed containing Na+ and OH- ions.
  • Which oxide forms the most basic aqueous solution?
    Sodium oxide (Na2O) is predicted to form the most basic aqueous solution because it reacts with water to produce NaOH, a strong base.
  • What is an example of a mixture that is not a solution?
    A mixture where the solute does not dissolve completely in the solvent, such as sand in water, is not a solution.
  • How is aqueous sulfuric acid best described?
    Aqueous sulfuric acid is a homogeneous solution where H2SO4 is dissolved in water, dissociating into H+ and SO4^2- ions.
  • Which is an example of a nonaqueous solution?
    An example of a nonaqueous solution is sugar dissolved in ethanol.
  • What are the main types of aqueous solutions?
    The main types of aqueous solutions are saturated, unsaturated, and supersaturated solutions, depending on the amount of solute dissolved.
  • What solute particles are present in an aqueous solution of HClO?
    In an aqueous solution of HClO, the solute particles present are HClO molecules and possibly some ions (H+ and ClO-) due to partial ionization.
  • What type of solution is D5W (5% dextrose in water)?
    D5W is a homogeneous aqueous solution, specifically an unsaturated solution under normal conditions, because the amount of dextrose dissolved is below the maximum solubility in water.
  • What type of solution is salt water?
    Salt water is a homogeneous aqueous solution. If the amount of salt dissolved is below the maximum solubility, it is an unsaturated solution; if it is at the maximum, it is a saturated solution.
  • What type of solution is distilled water?
    Distilled water is a pure solvent with no solute dissolved, so it is not considered a solution until a solute is added. If a small amount of solute is added and it dissolves completely, it forms an unsaturated solution.
  • What is an unsaturated solution?
    An unsaturated solution is a homogeneous mixture in which less than the maximum amount of solute is dissolved, meaning more solute can still be dissolved at that temperature.