Solutions, Acids and Bases Test

Lemonade would be an example of a:

• colloid
• solution
• mixture
• pure substance

Which of the methods for speeding up the rate of how fast a solid will dissolve in water is demonstrated below?

• Mixing
• Heating
• Increasing the surface area
• Melting

A mixture is:

• a substance being dissolved in a solution
• the substance that is being dissolved
• a combination of two or more substances not chemically combined
• two or more substances that arenot chemically combined but appear to be one substance

The following picture heavy cream would be an example of a:

• solution
• mixture
• colloid
• suspension
• Option 5

A solute is:

• a substance that something is being dissolved into
• the substance that is being dissolved
• a combination of two or more substances not chemically combined
• two or more substances that arenot chemically combined but appear to be one substance

The followinf picture of flour and water would be an example of a:

• solution
• mixture
• colloid
• suspension
• Option 5

A solvent is:

• a substance that something dissolves into
• the substance that is being dissolved
• a combination of two or more substances not chemically combined
• two or more substances that arenot chemically combined but appear to be one substance

The picture below shows what method of increasing the rate at which a substance can be dissolved?

• mixing
• heating
• increasing the surface area
• melting

The following table shows:

• As pressure increases the amount of dissolved oxygen remains the same
• As pressure increases the amount of dissolved oxygen decreases
• As pressure increases the amount of dissolved oxygen increases
• As pressure decreases the amount of dissolved oxygen increases

The picture below shows what method of increasing the rate at which a substance can be dissolved?

• mixing
• heating
• increasing the surface area
• melting