Understanding Solubility in Water

Why is water often referred to as the universal solvent?

• Because it can dissolve all substances

• Because it can dissolve many different substances

• Because it is a liquid

• Because it is found everywhere

What happens when sugar is added to water?

• It floats on the surface

• It changes color

• It dissolves completely

• It sinks to the bottom

Why does sand not dissolve in water?

• Because it is not soluble

• Because it is not stirred enough

• Because its molecules repel water

• Because it is too heavy

What allows sugar and salt to dissolve in water?

• Their molecules are heavier than water

• Their molecules are arranged to mix with water

• Their molecules are too large

• Their molecules are lighter than water

What is the main factor that determines if a substance is soluble in water?

• The amount of substance added

• The color of the substance

• The temperature of the water

• The molecular arrangement of the substance