Quiz on the Effect of Heat on Solubility

What happens to the speed of salt dissolving in water when we use hot water?

• Increases speed

• Decreases speed

• Remains the same

When we use cold water, what happens to the dissolving of sugar?

• Dissolves quickly

• Dissolves slowly

• Does not dissolve

Which of the following helps increase the speed of sugar dissolving?

• Using cube sugar

• Using cold water

• Using fine sugar

When we increase the temperature of water, what happens to the movement of molecules?

• Moves slowly

• Stops

• Moves faster

If you have a cup of hot water and a cup of cold water, in which one do you prefer to put the salt for a faster result?

• Cold water

• Hot water

As the temperature of the water increases, what happens to the speed of dissolving?

• Increases

• Decreases

• Remains the same

What is the factor that affects the speed of a substance dissolving in water?

• Type of container

• Temperature

• Color of water