Chemical Technology GATE-2000

Q 1: In petroleum refining, the process used for conversion of hydrocarbons to aromatics is

A) catalytic cracking
B) catalytic reforming
C) hydrotreating
D) Alkylation

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Q 2: Commercially, ethylene is produced from naphtha by

A) catalytic cracking
B) catalytic dehydrogenation
C) pyrolysis
D) hydrocracking

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Q 3: Triple superphosphate is manufactured by reacting

A) phosphate rock with phosphoric acid
B) phosphate rock with sulphuric acid
C) phosphate rock with nitric acid
D) ammonium phosphate with phosphoric acid

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Q 4: Synthesis gas is a mixture of

A) CO and H₂
B) N₂ and H₂
C) H₂, CH₄ and CO
D) CO₂ and H₂

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Q 5: Each of the products mentioned in the left-hand column requires one or more of the reactants mentioned in the right-hand column. Match the products with the appropriate reactant(s).

Group -1	Group -2
I: Phthalic anhydride	(A): Benzene
II: Cumene	(B): Naphthalene
	(C): Carbon monoxide
	(D) Phenol
	(E): Propylene
	(F): Air
	(G): Ethyl benzene
	(H): Hydrogen

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