S3 - Solubility

When a substance dissolves it...

• Disappears
• Becomes so small it can no longer be seen
• Melts
• Turns into a liquid

A teaspoon of salt was dissolved in water. Select the FOUR correct statements.

• Salt is soluble
• Water is the solvent
• A salt solution was made
• The salt is the solute
• Water is the solute

What happens to the particles of a substance when it dissolves in water?

• They become larger

• They spread out evenly

• They sink to the bottom

• They float on the surface

Which of the following is an example of a substance dissolving?

• Ice melting

• Salt mixing with water

• Sand settling in water

• Oil floating on water

When sugar dissolves in tea, what happens to the sugar particles?

• They become visible

• They form a separate layer

• They spread throughout the tea

• They evaporate

Match the following

• the liquid that does the dissolving

• Solute

• when a solute and solvent are mixed

• Insoluble

• the substance that dissolves

• Solvent

• solution where no more solid dissolves

• Solution

• a substance that does not dissolve

• Saturated Solution

Organize these options into the right categories

Groups:

(a) Soluble

,

(b) Insoluble

• Salt

• Sand

• Does dissolve

• Calcium carbonate

• Glucose

• 
• Vitamin C

• MSG

• Diluting juice

• 
• Chalk

• Plastic

• Does not dissolve

• Sugar

• Aspirin

Where would you look to see if barium chloride is soluble in cold water?

Where would you look to see if copper (II) hydroxide is soluble in cold water?

Where would you look to see if tin (II) phosphate is soluble in cold water?