Physical/Chemical changes + Pure Substances/Mixtures

What is the classification of an object with this structure?

• Mixture of element and compound

• Element

• Compound

• Mixture of compounds

What is the classification of an object with this structure?

• Mixture of element and compound

• Element

• Compound

• Mixture of compounds

What is the classification of an object with this structure?

• Mixture of element and compound

• Element

• Compound

• Mixture of compounds

What is the classification of an object with this structure?

• Mixture of elements

• Element

• Compound

• Mixture of compounds

What is the classification of an object with this structure?

• Mixture of elements

• Element

• Compound

• Mixture of compounds

Which of the following is a physical change?

• A candle melts as it's being used

• Gasoline burns

• Food is digested

• A balloon filled with hydrogen explodes

Which of the following is a chemical change?

• Water evaporates

• A marble statue is corroded by acid rain

• A piece of paper is folded in two

• A solid sublimates into a gas

Which of the following is a physical change?

• A goalkeep rusts

• A rock is crushed with a mortar and pestle

• A match is lit

• A cake is baked in the oven

Which of the following is a chemical change?

• A donut is heated on the microwave

• An apple turns brown

• A window breaks

• A switch is used to turn on a light

Which of the following is NOT an evidence of a chemical change?

• Change in color

• Change of state of matter

• Release of gas

• Formation of a preciptate