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Fuels and Combustion

Fuels and Combustion
If CO₂ is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as

CO
N₂
SO₂
O₂

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Fuels and Combustion
The calorific value is the highest out of the following for

Water gas
Coke oven gas
Producer gas
Blast furnace gas

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Fuels and Combustion
Coke oven gas compared to blast furnace gas is

Lighter
More explosive and inflammable
All of these
Less poisonous

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Fuels and Combustion
Wood charcoal is obtained by the destructive distillation of wood. It is used in the production of activated carbon, which is not used for the

Absorption of gases and vapor
Solvent recovery from air and gases
Electrode manufacture
Decolourisation of sugar

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Fuels and Combustion
The shift conversion reaction taking place during water gas manufacture is given by

None of these
CO + H₂O ⟷ CO₂ + H₂
C + H₂O ⟷ CO + H₂
C + 2H₂O ⟷ CO₂ + 2H₂

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Fuels and Combustion
Which of the following is called "blue gas"?

Water gas
Producer gas
Coke oven gas
Natural gas

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