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Chemical Reactions and Equations Quiz

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Questions and Answers

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

Podcast

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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