Question:

Which of the following is used to analyze Flue gas?

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Orsat apparatus is used for flue gas analysis, especially for \(CO_2\), \(O_2\), and \(CO\).
  • Bomb calorimeter
  • Orsat apparatus
  • Infrared balance
  • Spectrophotometer
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The Correct Option is B

Solution and Explanation

Concept: Flue gas analysis is done to determine the percentage of gases such as \(CO_2\), \(O_2\), and \(CO\) in combustion gases.

Step 1:
Flue gas is produced during combustion of fuels.

Step 2:
Its analysis helps in checking combustion efficiency.

Step 3:
Orsat apparatus is used for volumetric analysis of flue gases.

Step 4:
Bomb calorimeter measures calorific value of fuel, not flue gas composition. Therefore, the apparatus used to analyze flue gas is: \[ \boxed{\text{Orsat apparatus}} \]
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