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Which reaction is an example of an acid-base reaction? Which reaction is an example of an acid-base reaction?
A) FeCl3 (aq) + 3 KOH(aq) → Fe(OH)3 (s) + 3 KCl(aq)
B) H2SO4 (aq) + Ca(OH)2 (aq) → CaSO4 (aq) + 2 H2O(l)
C) H2CO3 (aq) → H2O(l) + CO2 (g)
D) 2 Hg(l) + O2(g) →2 HgO(s) 6
E) HCl(aq) + 2 Al(s) → 2 AlCl3 (aq) + 3 H2 (g)

Respuesta :

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Answer:

B) H2SO4 (aq) + Ca(OH)2 (aq) → CaSO4 (aq) + 2 H2O(l)

Explanation:

A is a reaction between a salt FeCl3 and a base KOH

C is a n acid decomposing on it's own to form two products

D is mercury, a metal reacting with oxygen. Two elements reacting. Neither are an acid or a base

E. is an acid reacting with a metal to liberate hydrogen. There is no base

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