Chemical Reactions Test

Which chemical reaction switches 2 elements?

• Double Replacement
• Single Replacement
• Combustion
• Decomposition

AB + CD = AD + CB

• Double Replacement
• Single Replacement
• Combustion
• Decomposition

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

A + BC = B + AC

• Single Replacement
• Combustion
• Double Replacement
• Synthesis

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

AB = A + B

• Decomposition
• Single Replacement
• Combustion
• Synthesis

Tags

NGSS.MS-PS1-5

Which of the following is the general formula for a decomposition reaction?

• A + B  → AB
• AB → A + B
• AB + C → AC + B
• AB + CD → AC + BD

When balancing equations a ____ can be placed to the left of a formula of a substance to make the equations balanced

• charge
• subscript
• random number
• coefficient

Tags

NGSS.MS-PS1-5

What is a reactant?

• a volatile chemical
• a dangerous substance
• the substances you start with in a chemical reaction
• the substances that are formed by a chemical reaction 

Tags

NGSS.MS-PS1-2

What is a product?

• a fancy word for make-up
• a volatile chemical
• the substances you start with in a chemical reaction
• the substances that are formed by a chemical reaction

Tags

NGSS.MS-PS1-5

NGSS.MS-PS1-2

What is the left part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation 

Tags

NGSS.MS-PS1-5

What is the right part of a chemical equation called?
H_{2 +} O → H₂O

• Reactants
• Products 
• Yields 
• Chemical Equation