Substances: Soluble and Insoluble

What does it mean for a substance to be soluble?

• Solubility refers to the ability of a substance to dissolve in a solvent.

• Solubility refers to the ability of a substance to evaporate in a solvent.

• Solubility means a substance can change color when mixed with a solvent.

• Solubility is the process of a substance solidifying in a solvent.

Give an example of a soluble substance.

• Table salt (sodium chloride)

• Sugar

• Water

• Iron

What does it mean for a substance to be insoluble?

• Insoluble means the substance dissolves completely

• Insoluble means the substance does not dissolve in a specific solvent.

• Insoluble means the substance is highly reactive

• Insoluble means the substance evaporates easily

Give an example of an insoluble substance.

• Sugar

• Water

• Iron

• Sand

How can you test if a substance is soluble?

• By tasting it to see if it is sweet.

• By setting it on fire and observing the color change.

• By listening to the sound it makes when dropped.

• By adding the substance to a solvent and observing if it dissolves.

Why is it important to know if a substance is soluble or insoluble?

• Solubility information is not useful in any context

• It is irrelevant to understand solubility

• Knowing the solubility of a substance provides crucial information about its properties and behavior in different scenarios.

• Knowing solubility has no impact on substance behavior

What happens when a soluble substance is mixed with water?

• Heterogeneous mixture is formed.

• Homogeneous solution is formed.

• The water turns into a gas.

• The substance evaporates.

What happens when an insoluble substance is mixed with water?

• The insoluble substance evaporates in water.

• The insoluble substance forms a suspension in water.

• The insoluble substance dissolves completely in water.

• The insoluble substance reacts with water to form a gas.

Can you name a common household item that is soluble in water?

• Bleach

• Sugar

• Sand

• Salt

Can you name a common household item that is insoluble in water?

• Vinegar

• Sugar

• Salt

• Baking soda