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Questions and Answers
What is a chemical reaction?
What is a chemical reaction?
- A change in matter involving only physical properties
- A change in matter involving transformation into one or more substances with similar properties
- A change in matter involving transformation into one or more substances with different properties (correct)
- A change in matter involving no transformation of substances
What holds the atoms of a molecule together in a compound?
What holds the atoms of a molecule together in a compound?
- Gravity
- Magnetic field
- Physical force
- Chemical bond (correct)
What are the substances that take part in a chemical reaction called?
What are the substances that take part in a chemical reaction called?
- Reactants (correct)
- Catalysts
- Products
- Inhibitors
What is the form of energy usually released during a chemical reaction?
What is the form of energy usually released during a chemical reaction?
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How are chemical reactions represented?
How are chemical reactions represented?
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