Types of Chemical Reactions

(NH₄)₂Cr₂O₇ How many H are in this atom?

• 2

• 4

• 6

• 8

Cu +HNO₃ --> Cu(NO₃)₂ + H₂O + NO. How many Oxygen in product?

• 5

• 6

• 7

• 8

Tags

NGSS.HS-PS1-7

PCl₅ +H₂O --> POCl₃ +HCl. How many chlorine (Cl) atoms?

• Reactants: 5; Products: 3

• Reactants 5; Products 5

• Reactants 5: Products 4

• Reactants 3; Products 5

Tags

NGSS.HS-PS1-7

3 Ca(H₂PO₄)₂. How many O atoms in this expression?

• 4

• 6

• 8

• 12

• 24

Tags

NGSS.MS-PS1-1

Which option is correctly balanced?

• Fe + H₂O --> Fe₃O₄ + H₂

• 3 Fe + H₂O --> Fe₃O₄ + H₂

• 3 Fe + 4 H₂O --> Fe₃O₄ + 4 H₂

• 3 Fe + 2 H₂O --> Fe₃O₄ + H₂

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

Match the following

• decomposition

• 
• single replacement

• 
• double replacement

• 
• combustion

• 
• synthesis

• 

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

NGSS.HS-PS1-7

Match the following

• double replacement

• 2 or more reactants combine to make 1 product

• decomposition

• 2 compounds in reactants & products

• synthesis

• 1 reactant breaks apart into 2 or more smaller products

• combustion

• O₂ as a reactant & CO₂ and water as products

• single replacement

• 1 element & 1 compound in products & reactants

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

​ (a)   reactions have 1 compound on both sides while ​ (b)   reactions have 2 compounds on both sides.​ (c)   reactions break apart. ​ (d)   reactions ​combine. ​ (e)   reactions must have O₂ as a reactant & CO₂ and ​H₂O as products.

• Single replacement
• double replacement
• Decomposition
• Synthesis
• Combustion
• covalent
• Covalent
• Ionic
• Redox
• Heterogeneous

The reactants will be bigger than the products in a ​ (a)   reaction. ​ (b)   reactions have 1 element and 1 compound. The products will be bigger than the reactants in a ​ (c)   reaction. Fuel and oxygen are needed in a ​ (d)   reaction. ​ (e)   reactions have 2 compounds.

• decomposition
• Single Replacement
• synthesis
• combustion
• Double replacement
• Covalent
• Ionic
• Metallic
• Homogeneous
• Heterogeneous

Tags

NGSS.MS-PS1-5

Put the equations in this order: decomposition, synthesis, combustion, single replacement, double replacement.

• 
• 
• 
• 
•