Fill in the blanks.
Water-gas is formed when _______ is passed over __________ coke. (water/steam/red-hot/cold)
steam
red-hot
Final answer: Water gas is formed when steam is passed over red-hot coke.
Steam is passed over hot coke at 1000Co in a converter to produce Hydrogen gas(H2).
When steam is passed over red hot coke, a mixture of carbon monoxide and hydrogen gas is formed. This is known as _____ gas.