Question
Which of the following chemical equations is balanced correctly?
a
2Al + Fe2O3 -> Al2O3 + Fe
b
4CaO + 10C -> 4CaC2 + 2CO2
c
B2O3 + 2C -> B4C + CO2
d
SO3 + H2O -> H2SO3
a
2Al + Fe2O3 -> Al2O3 + Fe
b
4CaO + 10C -> 4CaC2 + 2CO2
c
B2O3 + 2C -> B4C + CO2
d
SO3 + H2O -> H2SO3
Answers
Answer
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