Chemical Technology GATE-1996

Q 1: Styrene-butadiene rubber is commercially manufactured by

A) Bulk polymerization
B) Suspension polymerization
C) Solution polymerization
D) Emulsion polymerization

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Q 2: A typical example of an exothermic reversible reaction conducted at high pressures in industry is

A) dehydration of ethanol
B) methanol synthesis
C) reformation of methane
D) polymerization of ethylene

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Q 3: An example of auto-thermal reactor operation is

A) sulfur dioxide oxidation
B) ethylene oxidation
C) benzene oxidation
D) ammonia synthesis

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Q 4: Match the items in the left column with the appropriate items in the right column

I: Trickle bed reactors	A: pharmaceuticals
II: Batch reactors	B: hydrodesulfurization of petroleum fractions
	C: dehydrogenation of butan-2-ol
	D: chlorination of benzene

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Q 5: Give five advantages of cement production by the Dry Method compared with the Wet Method.

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Q 6: What are the catalysts employed in the following commercial reactor operations?

A: oxidation of SO2

B: oxidation of NH3

C: oxidation of C2H4

D: hydrogenation of vegetable oil

E: dehydrogenation of propan-2-ol

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