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Questions and Answers
What is the fundamental principle behind balancing chemical equations?
What is the fundamental principle behind balancing chemical equations?
- Law of constant proportions
- Law of conservation of mass (correct)
- Law of multiple proportions
- Law of conservation of energy
What are reactants in a chemical reaction?
What are reactants in a chemical reaction?
- Substances that enter a chemical reaction (correct)
- Substances that are unchanged in the reaction
- Substances that are formed as a result of the reaction
- Substances that are lost during the reaction
Which of the following is an example of a chemical reaction?
Which of the following is an example of a chemical reaction?
- Soda gaining its bubbles
- Water splitting into hydrogen and oxygen
- Iron reacting with water and oxygen to form rust (correct)
- Carbon dioxide splitting into carbonic acid and water
What happens to atoms and molecules in a chemical reaction?
What happens to atoms and molecules in a chemical reaction?
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What happens when carbonic acid splits?
What happens when carbonic acid splits?
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