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Types of Chemical Reactions Answers

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Which clue can be used to identify a chemical reaction as a replacement reaction?

A
The reaction has two reactants with ions that seem to switch places.
B
The reaction has a single reactant that changes into two or more products.
C
The reaction involves oxygen reacting with a hydrocarbon and giving off heat.
D
The reaction involves a single product forming from two or more reactants.
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What is produced during the replacement reaction of Ba(NO3)2 and Na2SO4?

A
2BaNa + 2NO3SO4
B
2NaNO3 + BaSO4
C
NaNO3 + BaSO4
D
BaNa2 + (NO3)2SO4

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