Select all of the following events in which a chemical change occurs. A. Chocolate syrup dissolves into warm milk.
B. Toast is lightly charred in a toaster.
C. A piece of paper is cut up into 12 pieces.
D. Two unknown liquids are mixed together and a gas is produced.
E. Sugar is heated until it turns into a brown caramel sauce.
F. A sugar cube dissolves in coffee.

PLZ HURRY WILL MARK BRAINLIEST