Dissolving

Sugar dissolves in water

• True

• False

Sand does not dissolve in water

• True

• False

Salt does not dissolve in water

• True

• False

Gold and Silver dissolve in water

• True

• False

When a material spreads out in water we say it has dissolved.

• True

• False

The sugar is mixed with water when we stir it. This is called as .....

• melting

• freezing

• dissolving

What is dissolving materials in water?

• If a material spreads out in water so that we cannot see it.

• If a liquid material turns into gas when we heat it.

• If a solid ice turns into water when we cool it.

This tea bag is dipped to the water. How will it be after few minutes?

• 
• 
• 

The sand in this water is . . . .

• soluble

• insoluble

Helen pours some tiny stones into a glass of water. The stones makes the water cloudy before they all settle down at the bottom of the glass. Which statement is true?

• The stones are soluble and have dissolved in the water.

• The stones are insoluble and have not dissolved in the water.

• The stones are soluble but need to be stirred to dissolve.

• The stones are insoluble but soluble if added to the water slowly.