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- 1. Multiple Choice
The end results of a chemical reaction are called
products
reactants
explosion
a pile of goo
- 2. Multiple Choice
The substances that go into a chemical reaction are called
reactants
products
molecules
mixtures
- 3. Multiple Choice
This image shows what happens when methane gas (CH4) is burned (reacts with oxygen O2) to produce carbon dioxide and water. Which of the following is a product?
methane (CH4)
oxygen (O2)
carbon dioxide (CO2)
none of the above
- 4. Multiple Choice
Which of the following is a clue that a chemical change has occurred? (Choose all correct answers.)
Formation of a gas (bubbles)
Color change
Phase change
Produces light or heat
- 5. Multiple Choice
- 6. Multiple Choice
The elements / compounds on the RIGHT side of the yield arrow are known as
Reactants
Gases
Chemicals
Products
- 7. Multiple Choice
The elements / compounds on the LEFT side of the yield arrow are known as
Products
Metals
Reactants
Chemicals
- 8. Multiple Choice
The process by which one or more substances change to produce one or more different substances
Chemical Process
Reactant
Chemical Reaction
- 9. Multiple ChoiceWhat are Chemical Reactions?It's when you mix substances.a process in which atoms rearrange to form new substancesWhen something bubbles.letter and numbers showing the types and number of atoms
- 10. Multiple ChoiceIn this image, what are the information in red is called the_______.ProductReactantChemical SubscriptCoefficient
- 11. Multiple ChoiceIn this image, what are the information to the right of the arrow (in black) is called the_______.ProductReactantChemical Subscript
- 12. Match
Match the following synthesis
1 reactant breaks apart into 2 or more smaller products
decomposition
2 or more reactants combine to make 1 product
double replacement
O2 as a reactant & CO2 and water as products
single replacement
1 element & 1 compound in products & reactants
combustion
2 compounds in reactants & products
- 13. Multiple Choice
What reaction has the following general formula:
A + B --> AB
Synthesis
Decomposition
Single Displacement
Double Displacement
Combustion
- 14. Multiple Choice
What is the general reaction scheme for a decomposition reaction?
A + B --> AB
AB --> A + B
A + CD --> C + AD
AB + CD --> CB + AD
- 15. Multiple Choice
Combination
Decomposition
Single Displacement
Double Displacement
Combustion
- Answer choicesTagsAnswer choicesTags