Nitrogen in coal_________________?
Correct answer: D. All A., B. and C.
- A. Is present upto 1-2%
- B. Comes from protein in parent vegetable matter
- C. Is recovered as ammonia during its carbonisation
- D. All A., B. and C.
Explanation
Coal nitrogen is commonly about 1 to 2% and originates largely from proteins in the parent plant material. During carbonisation, much of it is converted into ammonia, so all three statements are valid.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? support@testustad.com
Practise Chemical Process Principles
2,710 free Chemical Process Principles MCQs from Chemical Engineering, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Chemical Engineering questions like this
Chemical Engineering is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Chemical Process Principles questions
Calorific value of blast furnace gas is around _____________ KCal/Nm3?
Which of the following would require least amount of secondary air for combustion ?
Bulk density of pulverised coal may be about ______________ kg/m3?
The gas which contributes maximum to the heating value of natural gas is __________________?
In flue gas analysis by Orsat's apparatus, carbon monoxide is absorbed by__________________?
_____________ of the coal is the basis for Seylor's coal classification?