Unit 4 Concept 1 and 2 Quizizz

Which type of reaction is:

2 H₃AsO₄ → As₂O₅ + 3 H₂O

• Synthesis
• Decomposition
• Single Replacement

• Combustion

Which type of reaction is: C₂H₄ + 3 O₂ → 2 CO₂ + 2 H₂O

• Synthesis
• Decomposition
• Single Replacement

• Combustion

Which type of reaction is:

2 NH₃ + H₂SO₄ → (NH₄)₂SO₄

• Synthesis
• Decomposition
• Single Replacement

• Double Replacement

Which type of reaction is:

2 K + MgBr₂ → 2 KBr + Mg

• Synthesis
• Decomposition
• Single Replacement

• Double Replacement

Provides evidence that a chemical reaction has occurred. 

• dissolving 
• melting
• formation of a gas
• bending

The two sides of a chemical equation are called?

• Reactants (left) and Products (right)

• Ingredients (left) and Product (right)

• Cations and Anions

• Reactants (left) and Results (right)

Is this balanced?
Al + O2 → 2Al₂O₃

• Yes
• No

How many O's are in Al₂(SO₄)₃

• 4
• 12
• 7
• 24

• 3

• 1

• 2

• 4

• 2

• 1

• 3

• 4