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- 1. Multiple Choice
Which general formula shows decomposition reaction?
A+B -> AB
AB -> A + B
AB + C -> AC + B
AB + CD -> AD + CB
- 2. Multiple Choice
What is two or more substances that are together in the same place but their atoms are not chemically bonded.
Mixture
Solution
Colloid
Suspension
- 3. Multiple Choice
What type of reaction is the following:
Combination
Decomposition
Single Replacement
Double Replacement
- 4. Multiple Choice_Al + _HCl →_H2 + _AlCl32 Al + 2 HCl → 2 H2 + 6 AlCl33 Al + 3 HCl → 6 H2 + 2 AlCl31 Al + 1 HCl → 3 H2 + 1 AlCl32 Al + 6 HCl → 3 H2 + 2 AlCl3
- 5. Multiple Choice
What type of reaction is the following:
Combination
Decomposition
Single Replacement
Double Replacement
- 6. Multiple Choice
What type of reaction is the following:
Combination
Decomposition
Single Replacement
Double Replacement
- 7. Multiple Choice
What type of reaction is the following:
Combination
Decomposition
Single Replacement
Double Replacement
- 8. Multiple Choice
What type of reaction is the following:
Combination
Decomposition
Single Replacement
Double Replacement
- 9. Multiple ChoiceIdentify the salt in the following equation:
Zn(OH)2 + HNO3 ---> H2O + Zn(NO3)2Zn(OH)2HNO3H2OZn(NO3)2 - 10. Multiple Choice
The rate of a reaction increases as temperature__________________.
Decreases
Increases
Stays the Same
No effects
- 11. Multiple ChoiceA ______________ is a substance that increases the rate of a reaction without being used up during the reaction.catalystproductreactantsolute
- 12. Multiple Choice
Smaller particle size allows for a _________ surface area to be exposed for the reaction.
larger
smaller
equal
no define
- 13. Multiple Choiceis which type of chemical reaction?
Combination
Decomposition
Single displacemen
Double displacement
- 14. Multiple Choice
this picture shows..........
combination reaction
decomposition reaction
single displacement reaction
double displacement reaction
- 15. Multiple Choice
picture shows which type of chemical reaction?
composition
decomposition
Single displacement
Double displacement
- 16. Multiple Choice
2KCl + In this reaction, signifies?
Catalyst
Triangle
Light
Heat
- 17. Multiple Choice
Which is example of cobination reaction?
2H2O2 -> 2H2O + O2
2H2+ O2 -> 2H2O
CH4 + 2O2 ->CO2 + 2H2O
CaO + H2O -> Ca(OH)2
- 18. Multiple Choice
This diagram shows
Combination reaction
Decomposition
Single displacement
Double displacement
- 19. Multiple Choice
Which is not combination reaction?
CaCO3 + 2HCl -> CaCl2 + CO2 + H2O
Ca + Cl2 -> CaCl2
CaO + H2O -> Ca(OH)2
2H2O + O2 ->2H2O2
- 20. Multiple Choice
Write type of given chemical equation.
NaOH + NH4Cl -> NaCl + NH3 + H2O
Combination
Decomposition
Single displacement
Double displacement
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