Solubility Factors Quiz

What is a characteristic of a soluble substance?

• It cannot dissolve in water.

• It forms a visible layer in water.

• It dissolves and becomes invisible in the solvent.

• It always floats on the surface of the water.

Which of the following is an example of an insoluble substance?

• Sugar

• Sand

• Vinegar

• Salt

How is solubility defined?

• The speed at which a solute dissolves.

• The temperature at which a solute dissolves.

• The amount of solute that can dissolve in a fixed volume of solvent.

• The amount of solvent that can dissolve in a solute.

What happens when a solution becomes saturated?

• The solute starts to evaporate.

• The solution changes color.

• The solvent becomes solid.

• Excess solute collects at the bottom.

At room temperature, how much salt can dissolve in 100 milliliters of water?

• 200 grams

• 10 grams

• 36 grams

• 50 grams

What does a solubility graph typically show?

• The relationship between solubility and temperature.

• The temperature at which the solute evaporates.

• The speed of solute dissolution.

• The color of the solute.

How does the solubility of potassium chloride change with temperature?

• It remains constant.

• It increases.

• It fluctuates randomly.

• It decreases.

What is the solubility of sodium chloride at 85 degrees Celsius?

• 25 grams per 100 ml

• 50 grams per 100 ml

• 38.2 grams per 100 ml

• 34 grams per 100 ml

Between 0 and 25 degrees Celsius, which substance is more soluble?

• Neither is soluble

• Sodium chloride

• Potassium chloride

• Both are equally soluble

What happens to the solubility of potassium chloride compared to sodium chloride after 25 degrees Celsius?

• It becomes more soluble.

• It becomes less soluble.

• It remains the same.

• It becomes insoluble.