H₂(g) + 2AgCl(aq) ---> 2Ag(s) + 2HCl(aq)

The redox reaction above can also be classified as _____.

• synthesis

• single replacement

• combustion

• double replacement

The reaction shown can be classified as _____.

• decomposition

• synthesis

• single replacement

• double replacement

Given the following balanced equation representing a redox reaction, which statement is true? 2Al + 3Cu²⁺ ---> 2Al³⁺ + 3Cu

• Each Al loses 2e- and each Cu²⁺ gains 3e-.

• Each Al loses 3e- and each Cu²⁺ gains 2e-.

• Each Al³⁺ gains 2e- and each Cu loses 3e-.

• Each Al³⁺ gains 3e- and each Cu loses 2e-.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

What type of reaction does this image represent?

• Synthesis

• Decomposition

• Single replacement

• Double replacement

Which of the following is an example of a combustion reaction?

• C₂H₄ + 3O₂ → 2CO₂ + 2H₂O 

• BaCl₂ + Na₂SO₄ → 2NaCl + BaSO₄

• 2HgO → 2Hg + O₂

• Cl₂ + 2NaBr → 2NaCl + Br₂

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-4

Consider the reaction: NH₄Cl(s) ---> NH₃(g) + HCl(g)

Which type of reaction does this equation represent?

• Single replacement

• Combustion

• Synthesis

• Decomposition

 

What type of reaction is shown?

• Decomposition

• Synthesis

• Single replacement

• Combustion

What type of reaction involves the breaking down of a substance into simpler substances?

• Single Replacement Reaction

• Double Replacement Reaction

• Synthesis Reaction

• Decomposition Reaction

Tags

NGSS.MS-PS1-2

 

Predict the products if Calcium Carbonate reacts with Silver Sulfate.

CaCO₃ + Ag₂SO₄ → ?

• Ag₂CO₃ + Ca₂SO₄

• AgCO₃ + CaSO₄

• CaSO₄ + Ag₂CO₃

• Ag(CO₃)₂ + CaSO₄

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

What are the products of this reaction? Cu+ AgNO₃--> 

• Cu(NO₃)₂+Ag

• CuNO₃ + Ag

• CuAg+NO₃

• Cu+ AgNO₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2