Which one of the following reactions does not form gaseous product?

1.	Which one of the following reactions does not form gaseous product?
Answer» `PbO_(2)+H_(2)O_(2)to` `PbS+H_(2)O_(2)to` `Cl_(2)+H_(2)O_(2)to` `Na_(2)CO_(3)+H_(2)O_(2)to` Answer :B

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