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Chemical Reactions and Equations Quiz

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What is the balanced chemical equation for the reaction between sodium and water?

2Na + 2H2O -> 2NaOH + H2 (correct)

Na + H2O -> NaOH + H2

2Na + 2H2O -> 2NaH + O2

2Na + H2O -> 2NaOH + H2

What type of reaction occurs when methane (CH4) undergoes combustion?

Synthesis reaction

Single displacement reaction

Combustion reaction (correct)

Decomposition reaction

In the reaction 2H2 + O2 -> 2H2O, what is the stoichiometric coefficient for oxygen (O2)?

2 (correct)

What happens to mass during a chemical reaction?

<p>Mass is always conserved</p> Signup and view all the answers

Chemical Reactions and Equations Quiz

Choose a study mode

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Questions and Answers

What is the balanced chemical equation for the reaction between sodium and water?

What type of reaction occurs when methane (CH4) undergoes combustion?

In the reaction 2H2 + O2 -> 2H2O, what is the stoichiometric coefficient for oxygen (O2)?

What happens to mass during a chemical reaction?

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