PLEASE HELP
Question 1:
In the reaction BaCl2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaCl (aq), wh...
PLEASE HELP
Question 1:
In the reaction BaCl2 (aq) + Na2SO4 (aq) → BaSO4 (s) + 2NaCl (aq), what phases are the reactants in before the reaction?
A)
Both reactants are gases.
B)
BaCl2 is a liquid, and Na2SO4 is a gas.
C)
BaCl2 is a solid, and Na2SO4 is in aqueous solution.
D)
Both reactants are in aqueous solution.
Question 2:
A chemical reaction has the equation 4Al (s) + 3 O2 (g) → 2Al2O3 (s). What type of reaction is this?
A)
Single displacement
B)
Double displacement
C)
Decomposition
D)
Synthesis
Answers: 3
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