Chemistry, asked by aslamm1, 7 hours ago

Which of the following is a displacement reaction?
(a) MgCO3 ↔ MgO+ CO2
(b) 2Na ↔ 2H2O ↔ 2NaOH + H2
(c) 2H2 + O2 ↔ 2H2O
(d) 2Pb (NO3)2 ↔ 2PbO + 4NO2 + O2

Answers

Answered by msabasaba44596

0

Answer:

2H2+O2-2H2O

Explanation:

2H2+O2_ 2H2O

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