Science, asked by yamrajrk234, 9 months ago

Which among the following is(are) double displacement reaction(s)?

Pb + CuCl2 →→ PbCl2 + Cu

Na2 SO4 + BaCl2 →→ BaSO4 + 2NaCl

C + O2 →→ CO2

CH4 + 2O2 →→CO2 + 2H2O

[1 mark]

Answers

Answered by Anonymous

4

Answer:

C+02--C02

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Answered by abhaysingh9493

1

Answer:

a is the answer of the question

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