Polythene (low or high density) containers are not corroded by___________________?
Correct answer: A. Sulphuric acid (10%) at room temperature
- A. Sulphuric acid (10%) at room temperature
- B. Nitric acid (95%) at room temperature
- C. Sulphur trioxide at 60°C
- D. Any of these
Explanation
Polyethylene has good resistance to dilute sulphuric acid at room temperature, whereas concentrated nitric acid and sulphur trioxide can attack or degrade it. Therefore the compatible choice is 10% sulphuric acid.
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
Hydrocyanic acid is not shipped in______________?
Metal at the top of the electromotive series is________________?
Metalloid is__________________?
The process of coating steel sheets by zinc to improve its corrosion resistance is called___________________?
Trough of an apron conveyor is made of___________________?
Maximum consumption of copper is in__________________?