Question

10 examples of single replacement reaction

Answer 1

Explanation:

Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g)

2 K + 2H2O → 2 KOH + H2 (note how the anion is written differently because we don’t write water as HOH)

Cu + 2 AgNO3 → 2 Ag + Cu(NO3)2

Ca + 2 H2O → Ca(OH)2 + H2

Cl2 + 2 NaBr → 2 NaCl + Br2

Br2 + 2 KI → 2 KBr + I2

3 Mg(s) + 2 AlPO4(aq) → 2 Al(s) + Mg3(PO4)2(aq)

Mg(s) + AlPO4(aq) → Al(s) + Mg3(PO4)2(aq)

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Answer 2

Answer:

1)Zn(s) + 2 HCl(aq) → ZnCl2(aq) + H2(g)

2)2 K + 2H2O → 2 KOH + H2

3)Cu + 2 AgNO3 → 2 Ag + Cu(NO3)

4)Ca + 2 H2O → Ca(OH)2 + H.

5)Zn+H2SO4 → ZnSO4+H2

6)2KBr+Cl2 → 2KCl + Br2

7) Mg + Cu(NO)3 → Mg(NO3)2 + Cu

8)Cl2 + Cal2 → CaCl2 + l2

9) K +NaCl → KCl + Na

10)Cl2 + 2NaBr → 2NaCl +Br2

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