2C+02+4N2 —>?
2C0 + 2N2
CO + H2
CO + CH4
CO + NO2
Which is an almost pure form of carbon?
Coke
Coal tar
Coal gas
None of these
I am a fuel used for vehicle and also at home.I can be easily transported through pipes.I am used as starting material for the manufacture of a number of chemicals and fertilisers.Then who I am?
LPG
Natural gas
Helium gas
Fly ash is produced from?
Petroleum
Coal
All the above
We can use coke
As an oxidising agent
As an reducing agent
In printers ink
As electrode
What is the main content of Coal?
Hydrogen
Oxygen
Carbon
Sodium
The slurry residue after obtaining biogas is used as?
Pesticide
Manure
Insecticide
None
In fractional distillation of petroleum, What happens to the the vapours with highest boiling point?
Condense in upper most portion
Condense in lower most portion
Condense in middle portion
none of these
Which gas is evoleved when coal heated in air?
Carbon monoxide
Carbon dioxide
Nitrogen dioxide
What is produced when steam is passed over red hot coke?
CO2 + H2
CO + O2
O2 + H2+ C
