Laws of Chemical Combination: Overview & Explanation


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An unbalanced chemical reaction represents a violation of which law?

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1. A water sample from a lake, ocean, rain or pond must have _____ proportions of hydrogen to oxygen.

2. Which is an example of the law of multiple proportions?

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About This Quiz & Worksheet

There are four laws in chemistry that help us understand how chemicals interact with one another. On the quiz you'll see questions about topics related to these laws, such as unbalanced chemical reactions, the law of multiple proportions and a law that involves ratios.

Quiz & Worksheet Goals

The quiz requires you to:

  • Balance a chemical equation so that it is not violating the law of the conservation of mass
  • Identify an example of the law of multiple proportions
  • Explain which law is violated by an unbalanced chemical equation

Skills Practiced

  • Knowledge application - use your knowledge to answer a question about proportions in the water molecule
  • Information recall - apply the understanding you've gained about the mass ratio and ratios in compounds
  • Reading comprehension - verify that you can pull the most important information from the lesson about the law of multiple proportions

Additional Learning

To find out more about this topic, view the lesson titled Laws of Chemical Combination: Overview & Explanation. This lesson discusses:

  • The names of the four laws of chemical combination
  • Nuclear reactions
  • Compounds