3691Chemical EngineeringMedium
Iron rust is________?
AFerric sulphide
BFerrous oxide
CHydrated ferric oxide
DPowdered iron
Correct answer
C. Hydrated ferric oxide
Explanation
The correct answer is Hydrated ferric oxide.
Correct answer
C. Hydrated ferric oxide
Explanation
The correct answer is Hydrated ferric oxide.
Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is ________?
Which of the following expressions defines the Baume gravity scale for liquids heavier than water?
Which of the following is not a dimension-less group used in catalysis? (Where, D = dispersion co-efficient, cm2/sec.D1 = diffusion co-efficient; cm2/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm3/sec. V = volume, cm3.)?
White metal is an alloy of________?
In SI units, fouling factor is expressed in ________?
Dephosphorization of molten pig iron is favoured by________?