5341. Zeolite used in water softening process (cation exchange) is regenerated by washing with
Brine
Chloramines
Sodium bisulphite
Liquid chlorines
✅ The correct answer is option A.
Chemical Engineering
Prepare with the best Chemical Engineering MCQs with answers and detailed explanations for exams and job tests. Our collection covers key topics such as chemical process calculations, thermodynamics, fluid mechanics, heat transfer, mass transfer, reaction engineering, instrumentation, and plant design. These Chemical Engineering multiple-choice questions are ideal for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, PEC exams, GATE, university entry tests, and job interviews. Practice online with updated Chemical Engineering MCQs to strengthen your concepts and improve technical problem-solving skills.
5342. Polycaprolactum is commercially known as
Nylon-6
Nylon-66
Dacron
Rayon
✅ The correct answer is option A.
5343. Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
AgO
Al2O₃
ZnCl₂
FE₂O₃
✅ The correct answer is option A.
5344. DDT stands for
Diethyl-diphenyl-trichloromethane
Dichloro-diphenyl-trichloromethane
Diphenyl-dichloro-trichloromethane
Dichloro-diphenyl-trichloroethane
✅ The correct answer is option D.
5345. Deacon’s method is used for the manufacture of
Glauber’s salt
Common salt
Chlorine
Graphite electrode
✅ The correct answer is option C.
5346. Which of the following is a constituent of coffee?
Caffeine
Nicotine
Calgon
Lignin
✅ The correct answer is option A.
5347. ‘Synthesis gas’ meant for the synthesis of organic compound is a variable mixture of
N₂ & H₂
CO₂ & H₂
CO & H₂
C & H₂
✅ The correct answer is option C.
5348. Gypsum is chemically
Calcium chloride
Potassium sulphate
Sodium sulphate
Calcium sulphate
✅ The correct answer is option D.
5349. Inversion of sucrose produces
Fructose
Glucose
Both A & B
Neither A nor B
✅ The correct answer is option B.
5350. Soaps remove dirt by
Increasing the surface tension
Decreasing wettability
Supplying hydrophyllic group
None of these
✅ The correct answer is option D.