Types of Reactions Review and Law of Conservation of Mass

Multiple Choice

4Si + S₈ --> 2Si₂S₄

• Synthesis
• Decomposition
• Single displacement
• Double displacement

Multiple Choice

3Ca + 2AlCl₃ --> 3CaCl₂ + 2Al

• Synthesis
• Decomposition
• Single diplacement
• Double displacement

Multiple Choice

3KOH + H₃PO₄ --> K₃PO₄ + 3H₂O

• Synthesis 
• Decomposition
• Single displacement
• Double displacement

Multiple Choice

2Pb(NO₃)₂ --> 2PbO + 4NO₂ + O₂

• Synthesis 
• Decomposition
• Single displacement
• Combustion

Multiple Choice

2NO₂ --> N₂ + 2O₂

• Synthesis
• Decomposition
• Single displacement
• Combustion

Multiple Choice

P₄ + 3O₂ --> 2P₂O₃

• Synthesis 
• Decomposition
• Single displacement
• Combustion

Multiple Choice

Fe + H₂SO₄ --> Fe₂(SO₄)₃ + H₂

• Synthesis (combination)
• Decomposition
• Single replacement
• Combustion

Multiple Choice

C₅H₁₀O₄ + O₂ --> CO₂ + H₂O

• Decomposition
• Single Replacement
• Combustion
• Double Replacement

Multiple Choice

In a chemical reaction, 4 grams of sodium must combine with how many grams of chlorine to produce 10 grams of table salt?

• 4 grams

• 6 grams

• 8 grams

• 10 grams

Multiple Choice

In a reaction A + B ----> C,  reactant A has 5g and product  C has 9g. How many grams does reactant B should have? 

• 4g
• 5g
• 9g
• 14g

Multiple Choice

12g of Carbon react with 16g of Oxygen, how much carbon monoxide (CO) is formed?

• 28 g

• 4g

• 30g

• 12g