CBSE BOARD X, asked by aiyshasalim10a7, 9 days 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 paaku
4

Answer:

The Questions and Answers of Which of the following is a displacement reaction? a)MgCO3→ MgO + CO2b)2Na + 2H2O→ 2NaOH + H2c)2H2+ O2→ 2H2Od)Correct answer is option 'B'.

Answered by Mathsisthebest
4

Answer:

b) 2Na+2H2O2NaOH+H2

This is a displacement reaction .

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