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Which of the following statements is cor...

Which of the following statements is correct about the reaction given below:-
`4Fe(s)+3O_(2)(g)rarr2Fe_(2)O_(3)(g)`

A

Total mass of iron and oxygen in reactants=total mass of iron and oxygen in product therefore if follows law of conservation of mass.

B

Total mass of reactants=total mass of product, therefore, law of multiple proportions is followed

C

Amount of `Fe_(2)O_(3)` can be increased by taking any one of the reactants (iron or oxygen( in excess.

D

Amount of `Fe_(2)O_(3)` produced will decrease if the amount of any one of the reactants (iron or oxygen) is taken in excess

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The correct Answer is:
A
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