Eschka mixture, which is used for the determination of sulphur in coal, is a mixture of _____________________?
Correct answer: A. MgO & Na2CO3
- A. MgO & Na2CO3
- B. MgSO4 & BaCl2
- C. BaSO4 & NaCl
- D. MgCO3 & NaCl
Explanation
Eschka mixture consists of magnesium oxide and sodium carbonate, commonly mixed in a 2:1 ratio. It converts sulfur in the coal to soluble sulfate during controlled oxidation, allowing its determination.
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
Ignition temperature of a fuel in air is ______________ that in pure oxygen?
Which of the following gaseous fuels has the lowest calorific value ?
Turndown ratio of a gas burner is equal to the __________________ ?
Higher percentage of ash in coal meant for the production of metallurgical grade coke ___________________?
Coal is heated in presence of air to a temperature of about _______________ °C, while determining its ash content for proximate analysis?
Gross and net calorific value of a fuel will be the same__________________?