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Which of the following reactions in a redox reaction? a 2 Mg(s) + O2(g) → 2 MgO(aq) b HCl(aq) + NaOH(aq) → H2O(l) + NaCl(aq) c Pb(NO3)2(aq) + KCl(aq) → PbCl2(aq) + KNO3(aq) d CaCO3(s) → CaO(s) + CO2(g)
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Which of the following reactions in a redox reaction?

a
2 Mg(s) + O2(g) → 2 MgO(aq)

b
HCl(aq) + NaOH(aq) → H2O(l) + NaCl(aq)

c
Pb(NO3)2(aq) + KCl(aq) → PbCl2(aq) + KNO3(aq)

d
CaCO3(s) → CaO(s) + CO2(g)

User Curtor
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10 votes

Answer:

a

2 Mg(s) + O2(g) → 2 MgO(aq)

Step-by-step explanation:

User Artey
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