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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------heat--------2pbO + 4NO2 + O2no spamming ಠ_ಠ​

Answer» TION:a)MgCO3→ MgO + CO2B)2NA + 2H2O→ 2NaOH + H2C)2H2+ O2→ 2H2Od)


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