Reactions Review I

Which type of reaction is shown?

• Combustion

• single replacement

• double replacement

• decomposition

What type of reaction is shown?

• Decomposition

• Single replacement

• Combustion

• Synthesis

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What type of reaction is this?

• Combination (or Synthesis)

• Single replacement

• Double replacement

• Decomposition

Which type of reaction is shown?

• Combustion

• Composition (or Synthesis)

• Decomposition

• Double replacement

Which type of reaction is shown?

• Single replacement

• Double replacement

• Combustion

• Decomposition

Balance this equation
_Al +_HCl --> _H₂ +_AlCl₃

• 2, 6, 3, 2
• it is already balanced
• 4, 12, 3, 4
• 2, 1, 4, 5

Tags

NGSS.HS-PS1-7

Balance this equation.
_CH₄ + _O₂ --> _CO₂ + _H₂O

• 1,2,1,1
• 2,1,2,1
• 1,2,1,2
• 0,2,0,2

Tags

NGSS.HS-PS1-7

Mass is not created or destroyed in a chemical reaction, this is an example of:

• the law of conservation of matter

• the law of conservation of mass

• Newton's Second Law

• Newton's First Law

Tags

NGSS.HS-PS1-7

Describes the number of molecules in a compound and is used to balance a chemical reaction. 

• coefficient 
• subscript
• superscript
• SI unit

Tags

NGSS.MS-PS1-5

What is a precipitate?

• A solid formed from a single replacement reaction
• An aqueous compound formed from single replacement reaction 
• An aqueous compound formed from double replacement reaction
• A solid formed from a double replacement reaction