Which reaction is an example of an acid-base reaction? A) ...

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

Question 2

When a solution of iron(III) nitrate is mixed with a solution of sodium hydroxide, a rust colored precipitate forms. This precipitate is probably
 
  A) iron (III) nitrate.
  B) sodium hydroxide.
  C) sodium nitrate.
  D) iron (III) hydroxide.
  E) none of the above

[huda]

Answer to Question 1

B

Answer to Question 2

D

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