Soluble silica present in boiler feed water can be removed by______________________?
Correct answer: C. Anion exchanger
- A. Coagulation
- B. Filtration
- C. Anion exchanger
- D. Preheating it
Explanation
Soluble silica is present as ionic or weakly ionised species and is removed effectively by a strong-base anion exchanger during demineralisation. Ordinary filtration and coagulation mainly remove suspended or colloidal matter, not dissolved silica.
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
Presence of carbon monoxide in atmosphere produced by decomposition of chlorophyll and haemoglobin breakdown of some animals, beyond TLV (>50 ppm) ?
Fluorosis is caused due to the presence of excessive amount of ______________ in drinking water?
A considerable part of the harmful ultraviolet radiation of the sum does not reach the earth surface, because of the fact that, there is a layer of _____________ high above earth's atmosphere, which absorbs it?
Maximum permissible limit of mercury in human blood is ______________ micrograms/100 c.c?
Which of the following gases is having the widest explosion limit (about 2 to 81% gas in gasair mixture), rendering it the property of the most explosive gas ?
Brown spots in fabrics will be caused by washing with water containing large amount of___________________?