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Which of the following chemical reactions is a single displacement reaction?
A. 2Na + O2→
Na2O
B. 2A1 + 3Zn(NO3)2 2AI(NO3)3 + 3Zn​
C. Pb(NO3)2 + 2KBr → PbBr2 + 2KNO3
D. 2Fe(OH)3 Fe2O3 + 3H2O

Sagot :

tiffanyzheng1712

Answer:

B. 2A1 + 3Zn(NO3)2 --> 2AI(NO3)3 + 3Zn​

Explanation:

In the chemical equation, you can see that 2Al replaced 3Zn with (NO3)3 in the product, thus it is a single displacement reaction.

yuly3000

Answer:

B. 2A1 + 3Zn(NO3)2 --> 2AI(NO3)3 + 3Zn​

Explanation:

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