Question

9.

Which of the following chemical equations represents a double displacement reaction?

a. H2O(g)→2H2O(g)+O2(g)

b. BaCl2(aq)+K2CrO4(aq)→2BaCrO4(aq)+2KCl(s)

c. Ag(s)+NaCl(aq)→AgCl(s)+Na(s)

d.

NH3(g)+HCl(g)→NH4Cl(s)


10.

Which of the following chemical equations represents a single displacement reaction?

a. H2O(g)→2H2O(g)+O2(g)

b. 2Ag2O(s)→4Ag(s)+O2(g)

c. Ag(s)+NaCl(aq)→AgCl(s)+Na(s)

d.

NH3(g)+HCl(g)→NH4Cl(s)​

Answer 1

Answer:

9. option B

10. option C

Answer 2

Explanation:

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b. BaCl2(aq)+K2CrO4(aq)→2BaCrO4(aq)+2KCl(s)

c. Ag(s)+NaCl(aq)→AgCl(s)+Na(s)