Nitrogen present in the flue gas is determined in the Orsat apparatus by absorbing it in_____________________?

Related Mcqs:

1. In flue gas analysis by Orsat’s apparatus, carbon monoxide is absorbed by__________________?

   A. Cuprous chloride
   B. Potassium hydroxide
   C. Alkaline pyrogallol solution
   D. None of these

2. In flue gas analysis by Orsat’s apparatus, carbon dioxide is absorbed by______________________?

   A. Potassium hydroxide
   B. Dilute potassium carbonate
   C. Cuprous chloride
   D. Alkaline pyrogallol solution

3. In flue gas analysis by Orsat’s apparatus, oxygen is absorbed by____________________?

   A. Potassium hydroxide
   B. Cuprous chloride
   C. Alkaline pyrogallol solution
   D. None of these

4. The sequence of absorption in flue gas analysis by Orsat’s apparatus is respectively_______________________?

   A. CO2, O2, CO
   B. CO, O2, CO2
   C. CO2, CO, O2
   D. O2, CO2, CO

5. A sample of natural gas containing 80% methane (CH4) and rest nitrogen (N2) is burnt with 20% excess air. With 80% of the combustibles producing CO2 and the remainder going to CO, the Orsat analysis in volume percent is_________________?

   A. CO2 : 6.26, CO : 1.56, O2 : 3.91, H2O :15.66, N2 : 72.60
   B. CO2 : 7.42, CO : 1.86, O2 : 4.64, N2:86.02
   C. CO2 : 6.39, CO : 1.60, O2 : 3.99, H2O:25.96, N2:72.06
   D. CO2 : 7.60, CO : 1.90, O2 : 4.75, N2 : 85.74

6. In Orsat’s apparatus, ammoniacal cuprous chloride is used for selectivity absorbing________________?

   A. CO
   B. CO2
   C. O2
   D. H2O

7. KOH solution used in Orsat apparatus absorbs____________________?

   A. CO2
   B. SO2
   C. Both A. & B.
   D. Neither A. nor B.

8. The pyrogallol solution used in Orsat apparatus can absorb_________________?

   A. Only O2
   B. Both O2 and CO2
   C. Both O2 and CO
   D. All CO, CO2, and O2

9. If CO2 is not fully absorbed by the KOH solution meant for its absorption in the orsat apparatus, it will appear as___________________?

   A. O2
   B. CO
   C. N2
   D. SO2

10. Orsat apparatus is meant for ___________________?

    A. Gravimetric analysis of flue gas
    B. Finding out combustion efficiency
    C. Direct determination of nitrogen in flue gas by absorbing it in ammoniacal cuprous chloride
    D. None of these