pls help me identify which of these substance are a physical change or a chemical change .
BAKING A CAKE
SETTING OFF A FIREWORK
BOILING WATER
BAKING BREAD DISSOLVING SUGAR IN TEA
MAKING WINE FROM GRAPES AND YEAST
MAKING CONCRETE FROM SAND CEMENT AND WATER
Question
Answer:
Baking a cake: Chemical change
Setting off a firework: Chemical change
Boiling water: Physical change
Baking bread: Chemical change
Dissolving sugar in tea: Physical change
Making wine from grapes and yeast: Chemical change
Making concrete from sand cement and water: Physical change
Hope my answers help you with your work ^_^