Types of Chemical Reactions and Balancing of Equations

4Si + S₈ --> 2Si₂S₄

• Synthesis
• Decomposition
• Single displacement
• Double displacement

Tags

NGSS.MS-PS1-2

3KOH + H₃PO₄ --> K₃PO₄ + 3H₂O

• Synthesis 
• Decomposition
• Single displacement
• Double displacement

Tags

NGSS.MS-PS1-2

2Pb(NO₃)₂ --> 2PbO + 4NO₂ + O₂

• Synthesis 
• Decomposition
• Single displacement
• Combustion

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

2Fe + 3H₂SO₄ --> Fe₂(SO₄)₃ + 2H₂

• Synthesis 
• Decomposition
• Single displacement
• Combustion

Which chemical reaction switches 2 elements?

• Double Replacement
• Single Replacement
• Combustion
• Decomposition

AB + CD = AD + CB

• Double Replacement
• Single Replacement
• Combustion
• Decomposition

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

How many atoms of carbon (C) are in C₆H₁₂O₆?

• 3
• 6
• 12
• 24

Tags

NGSS.MS-PS1-1

How many Aluminum are in Al₂O₃?

• 3
• 2
• 5

Tags

NGSS.MS-PS1-1

Which of the following shows the correct way to balance the chemical equation?
Fe + O₂ -> Fe₂O₃

• 4Fe + 3O₂ -> 2Fe₂O₃
• 2 Fe + 3O₂ -> Fe₂O₆
• 4 Fe + O₆ -> 2Fe₂O₃
• None of the options are correctly balanced.

Tags

NGSS.MS-PS1-5

Balance this equation...
HgO --> Hg + O₂

• It is balanced 
• 2HgO --> Hg + O₂
• 2HgO --> 2Hg + O₂
• I don't know...Oh well!

Tags

NGSS.MS-PS1-5