Chemical Technology GATE-2016

Q 1: India has no elemental sulfur deposits that can be economically exploited. In India, which one of the following industries produces elemental sulfur as a by-product?

A) Coal carbonization plants
B) Petroleum refineries
C) Paper and pulp industries 
D) Iron and steel-making plants

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Q 2: Two paper pulp plants P and Q use the same quality of bamboo as a raw material. The chemicals used in their digester are as follows:

	Plant P	Plant Q
NaOH	Yes	NO
Na2S	Yes	No
Na2CO3	Yes	Yes
NaHCO3	No	Yes
Na2SO3	NO	Yes

Which one of the following statements is CORRECT?

A) Plant P and Plant Q both use the Sulfite process
B) Plant P and Plant Q both use the Kraft process
C) Plant P uses Sulfite process
D) Plant P uses the Kraft process

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Q 3: Match the industrial processes in Group- 1, with the catalyst materials in Group-2

Group -1	Group -2
P: Ethylene polymerisation	I: Nickel
Q: Petroleum feedstock cracking	II: Vanadium pentoxide
R: Oxidation of SO2 to SO3	III: Zeolite
S: Hydrogenation of oil	IV: Aluminium triethyl with titanium chloride promoter

A) P-IV, Q-III, R-II, S-I
B) P-I, Q-IV, R-III, S-II 
C) P-I, Q-II, R-III, S-IV 
D) P-II, Q-III, R-IV, S-I

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