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Questions and Answers
What is the balanced chemical equation for the reaction between sulfuric acid and sodium hydroxide?
What is the balanced chemical equation for the reaction between sulfuric acid and sodium hydroxide?
- $2H2SO4 + 2NaOH \rightarrow 2Na2SO4 + 2H2O$
- $H2SO4 + 2NaOH \rightarrow Na2SO4 + 2H2O$ (correct)
- $H2SO4 + NaOH \rightarrow NaHSO4 + H2O$
- $H2SO4 + NaOH \rightarrow Na2SO4 + H2O$
What type of chemical reaction occurs when copper(II) sulfate reacts with iron?
What type of chemical reaction occurs when copper(II) sulfate reacts with iron?
- Decomposition
- Double displacement
- Combustion
- Single displacement (correct)
In the reaction $2H2 + O2 \rightarrow 2H2O$, what is the role of oxygen?
In the reaction $2H2 + O2 \rightarrow 2H2O$, what is the role of oxygen?
- Oxygen is a reactant (correct)
- Oxygen is a catalyst
- Oxygen is a solvent
- Oxygen is a product
