Balancing Chemical Reactions Quiz

Mia is observing a reaction where magnesium reacts with hydrochloric acid to form magnesium chloride and hydrogen gas. What are the products in this chemical reaction?

• Magnesium and hydrochloric acid

• Magnesium chloride and hydrogen gas

• Magnesium and hydrogen gas

• Hydrochloric acid and magnesium chloride

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Ava is learning about the reaction between sodium and chlorine to form sodium chloride. What are the products in this chemical reaction?

• Sodium and chlorine

• Sodium chloride

• Sodium and sodium chloride

• Chlorine and sodium chloride

Tags

NGSS.MS-PS1-1

Emma is studying a reaction where carbon reacts with oxygen to form carbon dioxide. What are the reactants in this chemical reaction?

• Carbon and carbon dioxide

• Oxygen and carbon dioxide

• Carbon and oxygen

• Carbon dioxide

Tags

NGSS.MS-PS1-1

Lucas is balancing the equation for the decomposition of water: $H_2O \rightarrow H_2 + O_2$. What is the correct coefficient for $H_2O$ when the equation is balanced?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-5

Sophia is studying a reaction where nitrogen gas reacts with hydrogen gas to form ammonia. What are the reactants in this chemical reaction?

• Ammonia

• Nitrogen gas and hydrogen gas

• Nitrogen gas and ammonia

• Hydrogen gas and water

Tags

NGSS.MS-PS1-1

Olivia is observing a reaction where iron reacts with oxygen to form iron(III) oxide. Which of the following is the correct balanced equation?

• $Fe + O_2 \rightarrow Fe_2O_3$

• $4Fe + 3O_2 \rightarrow 2Fe_2O_3$

• $2Fe + O_2 \rightarrow Fe_2O_3$

• $Fe + 2O_2 \rightarrow Fe_2O_3$

Tags

NGSS.MS-PS1-5

Noah is balancing the equation for the reaction of aluminum with hydrochloric acid: $Al + HCl \rightarrow AlCl_3 + H_2$. What is the correct coefficient for $HCl$ when the equation is balanced?

• 1

• 2

• 3

• 6

Tags

NGSS.MS-PS1-5

Liam is trying to balance the chemical equation for the reaction between hydrogen and oxygen to form water. Which of the following is the correct balanced equation?

• $H_2 + O_2 \rightarrow H_2O$

• $2H_2 + O_2 \rightarrow 2H_2O$

• $H_2 + 2O_2 \rightarrow 2H_2O$

• $2H_2 + 2O_2 \rightarrow 2H_2O$

Tags

NGSS.MS-PS1-5

Ethan is balancing the equation for the combustion of methane: $CH_4 + O_2 \rightarrow CO_2 + H_2O$. What is the correct coefficient for $O_2$ when the equation is balanced?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-5

James is balancing the equation for the reaction of zinc with sulfuric acid: $Zn + H_2SO_4 \rightarrow ZnSO_4 + H_2$. What is the correct coefficient for $H_2SO_4$ when the equation is balanced?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-5