Changes in Matter

ripening of fruit

• physical change

• chemical change

• both

• none

Melting of butter

• Physical Change

• Chemical Change

• both

• none

Boiling of water

• chemical change

• physical change

• both

• none

Contact no. (Mobile no. or Telephone no.)

The diagram shows the process of

• melting
• boiling
• freezing
• condensing

What state of matter is this?

• Solid

• Liquid

• Gas

3. What happens to an ice cube if you slowly heat it?

• a. it gets harder

• b. it turns to gas

• c. it turns to liquid

• d. it turns to solid

How do we classify the phase changes in matter if we put water in the freezer of the refrigerator?

• Evaporation

• Deposition

• Freezing

• Melting

Paper is burned and the mass of the ash is less than the mass of the original paper. Which is true?

• The ash has less volume than the paper

• Some of the matter is destroyed during the reaction

• The mass of the ash cannot be accurately determined

• Some of the products of the reaction were given off as a gas

Is mold growing on cheese a physical or chemical change?

• Physical 
• Chemical