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- 1. Multiple Choice
What type of reaction is this H2SO3 → H2O + SO2?
Single replacement
Double replacement
Synthesis
Decomposistion
- 2. Multiple Choice
What type of reaction is C + O2 → CO2
single replacement
double replacement
synthesis
decomposition
- 3. Multiple Choice
What type of reaction is C3H8 + 5 O2 → 3 CO2 + 4 H2O?
synthesis
combustion
decomposition
single replacement
- 4. Multiple Choice
What type of reaction is BaCl2(aq) + Na2SO4(aq) → BaSO4(s) + 2 NaCl(aq)?
single replacement
double replacement
decomposition
synthesis
- 5. Multiple Choice
What type of reaction is Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g)?
single replacement
double replacement
synthesis
decomposition
- 6. Multiple Choice
Which of these is not a sign of a chemical reaction?
heat and light produced
gas production
color change
stagnation of chemicals
- 7. Multiple Choice
The starting substances of a reaction are called what?
products
reactants
change
states of matter
- 8. Multiple Choice
If a compound is dissolved in water it is in what state of matter?
Solid
liquid
gas
aqueous
- 9. Multiple Choice
The substances that are produced in a chemical reaction are called what?
reactants
accelerant
product
reaction
- 10. Multiple Choice
If there is an (aq) next to a compound what state of matter is that compound in?
solid
liquid
gas
aqueous
- 11. Multiple Choice
What is the difference between a liquid state and an aqueous state for a compound?
no difference
aqueous means a substance is dissolved in water and liquid is just the state something is in
aqueous is another name for liquid
a liquid means that a substance is dissolved in water and aqueous is the state something is in
- 12. Multiple Choice
C10H22 + O2 = CO2 + H2O is an example of what kind of reaction?
decomposition
combustion
synthesis
single replacement
- 13. Multiple Choice
What three things are needed for a combustion reaction to occur?
solid, liquid, gas
fuel, oxygen, heat source
heat source, carbon, container
aqueous, solid, fuel
- 14. Multiple Choice
If you add two chemicals that are clear together and the color does not change, nothing is created, no gas is formed, or there is not heat produced is there a chemical reaction occurring ?
yes
no
- 15. Multiple Choice
Can a superheated glass rod be used in a combustion reaction?
yes
no
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