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3.If four carbon atoms undergo a chemical reaction with oxygen to form CO2 molecules, how many...

3.If four carbon atoms undergo a chemical reaction with oxygen to form CO2
molecules, how many carbon atoms will be found in the product?
a. one
b. two
c. three
d. four
4.Classify the following reaction: FeCl 3 + 3NaOH  Fe(OH) 3 + 3NaCl
a. combustion
b. synthesis
c. decomposition
d. single displacement
e. double displacement
5.Classify the following reaction: Cl 2 + ZnI 2  ZnCl 2 + I 2
a. combustion
b. synthesis
c. decomposition
d. single displacement
e. double displacement

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