Which of the following is an example of a physical change?

Is mixing flour and sugar to make a cake a physical or chemical change?

Is grilling a hamburger a physical or chemical change?

A kitchen cook dices potatoes to make hash browns. What type of change is this?

A packet of drink mix is added to water. Is this a chemical or physical change?

A technician removes nail polish with acetone. Is this a chemical or physical change?

A test tube of blood spins in a centrifuge. Is the result a chemical or physical change?

Lemon juice is added to tea. Is this result a chemical or physical change?

A craftsman heats glass and shapes it into a swan. Is this a physical or chemical change?