Chemical Technology GATE-1991

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Q 1: Match the following:

List IList II
A: Phenol formaldehyde1: Suspension polymerization
B: Nylon2: Emulsion polymerization
C: High purity polyvinyl chloride3: Solution polymerization
D: Styrene butadiene rubber4: Bulk polymerization
Ans is )

Explanation:

Q 2: Match the following:

List IList II
A: Methanol to gasoline1: Raney nickel
B: Edible oil hydrogenation2: Zeolite
C: Methanation3: Cation exchange resin
D: Butyl acetate4: Nickel
Ans is )

Explanation:

Q 3: Pure terephthalic acid is manufactured by the oxidation of the oxidation of _______ and is used as a raw material for the manufacture of _________.

Ans is )

Explanation:

Q 4: In the manufacture of Portland cement the major raw materials are ____, _______, ______, and _____.

Ans is )

Explanation:

Q 5: Match the following:

List IList II
A: Edible oil1: Diaphragm pump
B: Crude oil from oil wells2: Centrifugal pump
C: 98 % Sulphuric acid3: Gear pump
D: Liquids containing suspensions of abrasive solid4: Air lift pump
Ans is )

Explanation:

Q 6: Write down the main overall reaction equation for the manufacture of the following chemicals

1: Soda ash
2: Superphosphate from phosphate rock
3: Urea
4: High octane petrol from naphtha
5: Vinyl acetate from ethylene
6: Acrylonitrile from propylene
Ans is )

Explanation: