Chemical Reactions Quiz

What type of reaction is MgCl₂ + Li₂CO₃ → MgCO₃ + 2 LiCl?

• Synthesis

• Single replacement

• Combustion

• Double replacement

What type of reaction is C₆H₁₂ + 9 O₂ → 6 CO₂ + 6 H₂O?

• Synthesis

• Decomposition

• Combustion

• Double replacement

What type of reaction is Pb + FeSO₄ → PbSO₄ + Fe?

• Synthesis

• Decomposition

• Combustion

• Single replacement

What type of reaction is CaCO₃ → CaO + CO₂?

• Synthesis

• Decomposition

• Combustion

• Double replacement

How many atoms of potassium (K) are there in the molecule KMnO₄?

• 1

• 2

• 3

• 4

How many atoms of sulfur (S) are there in the molecule H₂SO₃?

• 1

• 2

• 3

• 4

How many atoms of oxygen (O) are there in the molecule Barium hydroxide?

• 1

• 2

• 3

• 4

How many atoms of carbon (C) are there in the molecule Mg (C₂H₃O₂)₂?

• 1

• 2

• 3

• 4

How many atoms of hydrogen (H) are there in ammonium phosphate?

• 3

• 4

• 12

• 14

Is the chemical equation Na + Cl₂ -> NaCl balanced?

• Yes

• No

• It is not written with the correct elements

• This reaction will not take place