Balancing Equations Quiz

KClO₃ --> KCl + O₂
What coefficient would go in front of KCl?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-7

BaF₂ + K3PO₄ --> Ba₃(PO₄)₂ + KF
What coefficient goes in front of K₃PO₄?

• 1
• 2
• 3
• 4

Tags

NGSS.HS-PS1-7

Which chemical reaction forms Carbon Dioxide and Water?

• Double Replacement
• Single Replacement
• Combustion
• Decomposition

Tags

NGSS.MS-PS1-5

A + B = AB

• Double Replacement
• Synthesis
• Combustion
• Decomposition

Name this reaction:  2Ca + O₂ --> 2CaO

• Decomposition
• Synthesis
• Double Replacement
• Combustion

Balance this equation:
___NH₃ + ___O₂ --> ___NO + ___H₂O 

• 4NH₃ + 5O₂ --> 4NO + H₂O
• It's already balanced. 
• 4NH₃ + 5O₂ --> 4NO + 6H₂O 

____ P₄ + ____ O₂ --->____ P₂O₃

• 1,3,2
• 1,1,1
• 1,2,3
• 2,1,2

Tags

NGSS.HS-PS1-7

Which type of reaction is:
2 NaBr + Ca(OH)₂ → CaBr₂ + 2 NaOH

• Synthesis
• Single Displacement
• Double Displacement
• Combustion

How many oxygen atoms are in this chemical formula?

• 6 oxygen atoms
• 2 oxygen atoms
• 3 oxygen atoms
• 4 oxygen atoms

Tags

NGSS.MS-PS1-1

Balance this equation:
_SeCl₆ +_ O₂  --> _ SeO₂+ _Cl₂

• 1,2,1,2
• 1,1,1,3
• 1,2,1,1
• 2,1,1,1