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Chemical Reactions and Balancing Chemical Equations

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

What is a coefficient?

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1.

Choose the correctly balanced equation for the following reaction:

Potassium + water -> potassium hydroxide + hydrogen gas

2. Which of the following equations is balanced?

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About This Quiz & Worksheet

When setting up a chemical reaction it's important to know how much of each reactant is needed to go into the reaction and what will be produced. This worksheet and quiz will test your ability to determine this by requiring you to balance chemical equations.

Quiz & Worksheet Goals

Use these assessments to see if you can:

  • Define the parts of a chemical equation
  • Balance chemical equations
  • Define conservation of matter

Skills Practiced

Competing these assessments will use these skills:

  • Problem solving - use acquired knowledge to solve problems asking you to balance chemical equations
  • Defining key concepts - ensure that you can accurately define main phrases, such as coefficient and conservation of matter
  • Critical thinking - apply relevant concepts to examine information about chemical reactions in a different light

Additional Learning

Learn the skills you need to know to complete these assessments by reviewing the lesson on balancing chemical equations, which accompanies this worksheet and quiz. The objective of this lesson is to:

  • Define the law of the conservation of matter
  • Explain the parts of chemical equation
  • Demonstrate how to balance a chemical equation
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