reactions

What reaction type is characterized by the reactant breaking down as the reaction progresses?

• Synthesis
• Decomposition
• Combustion
• Double Replacement

What two molecules are produced in a combustion reaction?

• CO₂ + NH₄
• SiO₂ + H₂O
• H₂O + CO₂
• CO₂ + H₂O₂

Tags

NGSS.MS-PS1-5

Which set of coefficients properly balances the reaction below?
_Cu + _H₂O →_ CuO₃ + _H₂

• 1,3,1,5
• 2,6,2,6
• 1,3,1,3
• 1,2,3,4

Tags

NGSS.MS-PS1-5

What is the coefficient of AgNO₃ in this reaction?
_AgNO₃ + _H₂S →_Ag₂S+_HNO₃

• 1
• 2
• 3
• 4

Tags

NGSS.MS-PS1-5

Which of the following can be categorized as a synthesis reaction?

• Ba + NaCl →BaCl₂ + Na
• KNO₃→K⁺ + NO₃^-
• 2Li + F₂ → 2LiF
• HCl + LiNO₃ → HNO₃ + LiCl

Tags

NGSS.MS-PS1-5

What type of reaction is displayed below?
2Al + Fe₂O₃ → 2Fe + Al₂O₃

• Single Replacement
• Double Replacement
• Synthesis
• Combustion

Tags

NGSS.HS-PS1-1

___________________ are the elements/compounds formed in a chemical reaction (on the right)

• Polymers
• Bonds
• Reactants
• Products

Tags

NGSS.HS-PS1-6

What are the reactants in the chemical equation pictured?

• CH₄ and CO₂
• CH₄ and O₂
• CO₂ and H₂O
• O₂ and H₂O

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Is this balanced?...
Al + O₂ --> 2Al₂O₃

• Yes!
• NO!

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A metal is reacted with an acid to produce a salt and a hydrogen gas. What type of reaction has occurred? 

• neutralization 
• double replacement 
• single replacement 
• synthesis 

Tags

NGSS.HS-PS1-2