Question

how is hydrogen prepared by laboratory and commercial method explain in detail​

Answer 1

Answer:

Hydrogen is prepared in the lab by the action of acids on metal's dilute. Sulphuric acid is added to granulated zinc. Zinc sulphate or zinc chloride is formed in solution and the hydrogen that is evolved is collected over water in a trough.

and by commercial method...

A small amount is obtained by water electrolysis and other sources. Steam-methane reforming is a mature production process in which high-temperature steam (700 °C–1,000 °C) is used to produce hydrogen from natural gas. ... Steam reforming can also be used to produce hydrogen from other fuels, such as coal and oil products.

hope this will help u..

Answer 2

Hi Anu

Lonliness is always with u means u r not alone.

Tab to tujhe lonliness hi chod deta hoga