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Questions and Answers
When is a chemical reaction said to take place?
When is a chemical reaction said to take place?
- Change in state only
- Change in color only
- Change in state, color, gas, or temperature (correct)
- Change in temperature only
What is a chemical reaction?
What is a chemical reaction?
- A process where substances change state
- A process where 2 or more substances react to form new substances (correct)
- A process where substances change color
- A process where substances evaporate
How are chemical equations written?
How are chemical equations written?
- Reactants on the left, products on the right, with plus signs between them (correct)
- Reactants and products in a random order
- Reactants on the right, products on the left, with minus signs between them
- Reactants and products on the same side, with multiplication signs between them
What is a chemical equation?
What is a chemical equation?
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When is a chemical equation said to be balanced?
When is a chemical equation said to be balanced?
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