A gas which burns with blue flame is

A gas which burns with a blue flame is :

A colourless gas which burns with blue flame and reduction Cuo to Cu is.

A colourless gas which burns with blue flame and reduces CuO to Cu is:

A colourless gas which burns with blue flame and reduces CuO to Cu is

A colourless gas which burns with blue flame and reduction Cuo to Cu is.

The gas which burns with a blue flame and gets extinguished with a pop sound.

A gas is evolved which burns with blue flame when the mixture is heated with conc. H_(2)SO_(4) . The mixture contains.