Chemical Technology - Questions

GATE→2026→Chemical Technology→Chemical Technology

Q1

MCQ[1 Mark]

In a traditional continuous Kraft (Sulfate) pulping process, consider the following major steps: Bleaching (BL), Chipping (CH), Debarking (DE), Digestion (DI), and Pulp Washing (WA). Which one of the following is the CORRECT sequence of steps for this process?

GATE→2026→Chemical Technology→Chemical Technology

Q2

MCQ[1 Mark]

Which one of the following is produced by catalytic reforming of straight run gasoline and naphtha?

GATE→2026→Chemical Technology→Chemical Technology

Q3

MSQ[1 Mark]

Urea has its major use as a solid fertilizer for nitrogen fixation. Which of the following is/are other application(s) of urea?

GATE→2025→Chemical Technology→Chemical Technology

Q4

MCQ[1 Mark]

To manufacture paper from (i), the (ii) must be freed from the binding matrix of (iii) in the pulping step. Which one of the following is the CORRECT option to fill in the gaps (i), (ii) and (iii)?

GATE→2025→Chemical Technology→Chemical Technology

Q5

MCQ[1 Mark]

In the production of polyvinyl chloride (PVC) from ethylene and chlorine, the sequential order of reactions is

GATE→2025→Chemical Technology→Chemical Technology

Q6

MCQ[1 Mark]

In the CONTACT PROCESS for manufacturing sulphuric acid, the reaction converting

\text{SO}_2

to

\text{SO}_3

is

GATE→2024→Chemical Technology→Chemical Technology

Q7

MCQ[1 Mark]

In an ammonia manufacturing facility starting from methane feed, the correct order of units [P: Methanator, Q: CO shift convertor, R: CO2 stripper, S: Reformer, T: Ammonia convertor] is

GATE→2024→Chemical Technology→Chemical Technology

Q8

MSQ[1 Mark]

For the electrolytic cell in a chlor-alkali plant, which of the following statements is/are correct?

GATE→2024→Chemical Technology→Chemical Technology

Q9

MSQ[1 Mark]

Which of the following statements regarding chemical industry is/are correct?