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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Ответ:
a
2 Mg(s) + O2(g) → 2 MgO(aq)
Explanation:
Ответ:
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