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Chemical reactions are
a new substance with different properties is formed
sulfur
mass cannot be created or destroyed in a chemical reaction
a new substance is formed with different properties
friction
metals
leaves changing color in the fall
classified by the ways they are alike
Which of the following statements describes a chemical change?
a new substance with different properties is formed
sulfur
mass cannot be created or destroyed in a chemical reaction
a new substance is formed with different properties
friction
metals
leaves changing color in the fall
classified by the ways they are alike
Which of the following states that law of conservation of mass?
a new substance with different properties is formed
sulfur
mass cannot be created or destroyed in a chemical reaction
a new substance is formed with different properties
friction
metals
leaves changing color in the fall
classified by the ways they are alike
Which of the following is proof that a chemical reaction has occurred?
a new substance with different properties is formed
sulfur
mass cannot be created or destroyed in a chemical reaction
a new substance is formed with different properties
friction
metals
leaves changing color in the fall
classified by the ways they are alike
What is the source of activation energy that ignites a strike anywhere match?
a new substance with different properties is formed
sulfur
mass cannot be created or destroyed in a chemical reaction
a new substance is formed with different properties
friction
metals
leaves changing color in the fall
classified by the ways they are alike
What are most of the elements in the periodic table?
a new substance with different properties is formed
sulfur
mass cannot be created or destroyed in a chemical reaction
a new substance is formed with different properties
friction
metals
leaves changing color in the fall
classified by the ways they are alike
What element is used to make the most widely used compound in the chemical industry?
a new substance with different properties is formed
sulfur
mass cannot be created or destroyed in a chemical reaction
a new substance is formed with different properties
friction
metals
leaves changing color in the fall
classified by the ways they are alike
Which of the following is an example of a chemical reaction?
a new substance with different properties is formed
sulfur
mass cannot be created or destroyed in a chemical reaction
a new substance is formed with different properties
friction
metals
leaves changing color in the fall
classified by the ways they are alike
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