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Which of the following statements describes a chemical change?
leaves changing color in the fall
sulfur
mass cannot be created or destroyed in a chemical reaction
a chemical bond
classified by the ways they are alike
a new substance is formed with different properties
state change
a new substance with different properties is formed
Which of the following states that law of conservation of mass?
leaves changing color in the fall
sulfur
mass cannot be created or destroyed in a chemical reaction
a chemical bond
classified by the ways they are alike
a new substance is formed with different properties
state change
a new substance with different properties is formed
Which of the following is an example of a chemical reaction?
leaves changing color in the fall
sulfur
mass cannot be created or destroyed in a chemical reaction
a chemical bond
classified by the ways they are alike
a new substance is formed with different properties
state change
a new substance with different properties is formed
Chemical reactions are
leaves changing color in the fall
sulfur
mass cannot be created or destroyed in a chemical reaction
a chemical bond
classified by the ways they are alike
a new substance is formed with different properties
state change
a new substance with different properties is formed
Which of the following is proof that a chemical reaction has occurred?
leaves changing color in the fall
sulfur
mass cannot be created or destroyed in a chemical reaction
a chemical bond
classified by the ways they are alike
a new substance is formed with different properties
state change
a new substance with different properties is formed
What is the force that holds strong atoms together?
leaves changing color in the fall
sulfur
mass cannot be created or destroyed in a chemical reaction
a chemical bond
classified by the ways they are alike
a new substance is formed with different properties
state change
a new substance with different properties is formed
What element is used to make the most widely used compound in the chemical industry?
leaves changing color in the fall
sulfur
mass cannot be created or destroyed in a chemical reaction
a chemical bond
classified by the ways they are alike
a new substance is formed with different properties
state change
a new substance with different properties is formed
Which of the following is NOT a sign of a chemical reaction?
leaves changing color in the fall
sulfur
mass cannot be created or destroyed in a chemical reaction
a chemical bond
classified by the ways they are alike
a new substance is formed with different properties
state change
a new substance with different properties is formed
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