Chemical Equations and Reactions Review

Combining substances to form a new substance

• Displacement
• Synthesis
• Decomposition
• Oxidation

Tags

NGSS.MS-PS1-5

Breaking down a substance into simpler substances

• Displacement
• Synthesis
• Decomposition
• Oxidation

Cu + 2Ag(NO₃) → 2Ag + Cu(NO₃)

• Synthesis Reaction
• Decomposition Reaction
• Single Displacement Reaction
• Double Displacement Reaction

Ca₃(PO₄)2 + 3 H₂SO₄ ---> 3 CaSO₄ + 2 H₃(PO₄)

• Synthesis Reaction
• Decomposition Reaction
• Single Displacement Reaction
• Double Displacement Reaction

Tags

NGSS.MS-PS1-2

What type of chemical reaction is this one?

Ca + MgCl2 --> CaCl2 + Mg

• Decomposition

• Combustion

• Synthesis

• Single Replacement

3KOH + H₃PO₄ --> K₃PO₄ + 3H₂O

• Combination

• Decomposition

• Single replacement

• Double replacement

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

Balancing this reaction:

____ CH₄ + ____ O₂ ---> ___ CO₂ + ____ H₂O

• 2,1,3,1

• 1,2,1,2

• 1,2,2,1

• 2,1,1,2

Tags

NGSS.MS-PS1-5

Balance this reaction:

____ Na₃PO₄ + ____ KOH ---> ____ NaOH + ____ K₃PO₄

• 1,3,3,1

• 1,3,2,1

• 2,3,3,1

• 1,1,3,1

Tags

NGSS.MS-PS1-5

The red numbers in the image below represent ________

• subscripts
• coefficients
• I don't know, and don't want to try
• None of the answers are correct

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-1

The blue numbers in the image below represent ________

• I don't know, and don't want to try
• coefficients
• subscripts
• none of the answers are correct