In Bosch's process, which gas is utilised for the production of hydrogen gas

The hydrogen gas is

In Bosch process hydrogen is obtained from

An industrial process used for the production of hydrogen gas on a large scale.

In Bosch's process for production of hydrogen, the gas used is

Which gas is utilised by the plants during photosynthesis ?

(i)Name the industrial method for the production of hydrogen gas. (ii)Name the catalyst used in the above process.

Bacteria which are utilised to produce gobar gas are