Identify the double displacement reactions among the following:
1. KCl(aq) + AgNO3(aq) ? AgCl(s) + KNO3(aq)
2. Na2SO4(aq) + BaCl2(aq) ? BaSO4(s) + 2NaCl(aq)
3. H2SO4((aq) + 2NaOH(aq) ? Na2SO4((aq) + 2H2O(l)
A) 1 and 2 only
B) 1 and 3 only
C) 2 and 3 only
D) All of 1, 2, and 3
E) None of 1, 2, and 3
Answer: D
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Chemistry Chapter 7
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