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Which of the following demonstrates that reactants and products are chemically different?

A.Zn + 2HC1 = 2HCl + Zn
B. Zn 2HCl = H2 + 2 nCl2
C. H20 + C4H10 = H20 + C4H10
D. C4H10+ H20= C4H10 +H20

is it b
pls help me

3 answers

pls help me

Yes Oscar it is B.
but you mean
Zn + 2HCl = H2 + ZnCl2

yea thank you so much!!!!

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