Physical and Chemical Changes

sodium and potassium react violently with water

• physical change
• chemical change

ethyl alcohol boils at 79⁰C

• physical change
• chemical change

Baking a cake by mixing flour, sugar, chocolate powder, eggs, and milk, and then heating them in the oven.

• Chemical Change
• Physical Change

Which of the following is NOT an example of a physical change?

• crumpled paper
• pencil sharpening
• shrunken clothing
• sour milk

A change in which NEW substances are formed.

• Chemical change
• Physical change
• Casual change
• Formal change

The ability of a substance to be pounded or rolled into thin sheets.

• ductility
• solubility
• malleability
• density

Green bananas turning yellow on their own as they ripen.

• Chemical Change
• Physical Change

Flammability is a

• Chemical property
• Physical change
• Chemical change
• Physical property

An gel ice pack getting cold after you put it in the freezer for an hour.

• Chemical Change
• Physical Change

Using dye to change the color of a shirt green.

• Chemical Change
• Physical Change