Question

Difference between displacement and double displacement reactions in tabular form

Answer 1

see an example of displacement
Na+H2so4=Na2so4 + H2
in this sodium displaces hydrogen frm its compound because Na is more reactive. And Hydrogen is liberated..
In
Na2so4 + Hcl = NaCl + H2So4
in this Na displaces Hydrogen but Hydrogen combines with So4 to form Sulphuric acid





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Answer 2

Here is your answer in this picture