Chemical Reactions Quiz

What type of chemical reaction is represented by the equation:

2Li + Br₂ → 2LiBr?

• Decomposition

• Synthesis

• Combustion

• Single Replacement

Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

What type of chemical reaction is represented by the equation:

3Mg + Fe₂O₃ → 3MgO + 2Fe?

• Decomposition

• Synthesis

• Single Replacement

• Double Replacement

What type of chemical reaction is represented by the equation:

3Ca(OH)_{2 (aq)} + Al₂(SO₄)_{3 (aq)} → 3CaSO_{4 (s)} + 2Al(OH)_{3 (s)}

• Decomposition

• Synthesis

• Combustion

• Double Replacement

What type of chemical reaction is represented by the equation:

Cl₂ + 2NaBr → 2NaCl + Br₂

• Decomposition

• Synthesis

• Single Replacement

• Double Replacement

What type of chemical reaction is represented by the equation:

PbSO4 → PbO + SO₃

• Decomposition

• Synthesis

• Combustion

• Single Replacement

What type of chemical reaction is represented by the equation:

2C₃H₈O + 9O₂ → 6CO₂ + 8H₂O + heat

• Decomposition

• Synthesis

• Combustion

• Single Replacement

Finish the equation:

​ ​ 2 Li + ​ ​ Br₂ → 2 ​ (a)  

• LiBr
• Li2Br
• LiBr2

Finish the equation:

3 Mg + Fe₂O₃ →

(a)  

• 2 Fe + 3 MgO
• Fe2 + Mg3O3

Tags

NGSS.HS-PS1-7

Finish the equation:

​ 1 Cl₂ + ​ 2 NaBr → ​1 (a)   + ​ 2 ​ (b)  

• Br2
• NaCl
• Na2
• ClBr
• BrCl

Tags

NGSS.HS-PS1-7

Finish the equation:

3 Ca(OH)_{2 (aq)} + 2 Al(SO₄)_{3 (aq)} → 3 ​ ​ (a)   ​ + 2 ​ ​ (b)  

• CaSO4 (s)
• Al(OH)3 (s)
• CaSO4 (aq)
• Al(OH)3 (aq)