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.
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In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need
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Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
Answers: 1
Select all of the following events in which a chemical change occurs.
A. Chocolate syrup dissolve...
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