Quiz

Quiz: Balancing Chemical Equations

AQA GCSE Chemistry (8462)

12 Steps10 Questions

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Building on what you've learned about the law of conservation of mass, let's test your knowledge of balancing chemical equations!

Multiple ChoiceInteractive

What does the law of conservation of mass state?

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Fill in the BlankInteractive

In a balanced chemical equation, the number of atoms of each element on the {{blank0}} side must equal the number on the {{blank1}} side.

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Math EquationInteractive

Balance the equation: H2 + O2 → H2O. How many molecules of H2 are needed?

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Multiple ChoiceInteractive

Which of the following is a balanced equation?

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MatchingInteractive

Match the items on the left with their correct pairs on the right

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Multi-SelectInteractive

Which of the following steps are involved in balancing chemical equations? (Select all that apply)

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typedAnswer

Match the items on the left with their correct pairs on the right

Multiple ChoiceInteractive

Balance the equation: CH4 + O2 → CO2 + H2O. What coefficient should be in front of O2?

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Fill in the BlankInteractive

The number in front of a chemical formula in a balanced equation is called the {{blank0}}.

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Multiple ChoiceInteractive

Which equation is correctly balanced?

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Math EquationInteractive

Balance the equation: N2 + H2 → NH3. How many molecules of H2 are needed?

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