GUJARAT TECHNOLOGICAL UNIVERSITY
SEMESTER-IV(NEW) — EXAMINATION - SUMMER 2019
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Subject Code:2140506 Date:15/05/2019
Subject Name: Chemical Process Industries -11
Time:02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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MARKS
Q.1 (a) Explain Inversion of sugar 03
(b) Short note on Acid dye in brief 04
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(c) Describe the manufacturing of sugar from sugarcane with neat flow sheet 07
Q.2 (a) What is paint and PVC of paint 03
(b) How barbital is prepared? Explain by giving chemical reaction 04
(c) Explain manufacturing process of citric acid with flow sheet 07
OR
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(c) By giving neat flow diagram Explain the manufacturing process of paint. 07
Q.3 (a) Define chromophore and auxochrome 03
(b) Explain the role of constituents present in paint 04
(c) How Aniline is prepared from Nitrobenzene? Explain with neat sketch 07
OR
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Q.3 (a) What is Industrial coating? Explain its Application 03
(b) Discuss structure of dye 04
(c) Discuss manufacturing process of Industrial alcohol by aerobic fermentation process 07
Q.4 (a) List out Various separation route to produce absolute alcohol 03
(b) What are pigments? Write in brief on Red pigments? 04
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(c) Discuss manufacturing process of H-acid with flow sheet 07
OR
Q.4 (a) Explain “vitamins” 03
(b) Classify drugs base on its application 04
(c) Explain manufacturing of aspirin with suitable flow sheet 07
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Q.5 (a) Explain application of bagasse 03
(b) What is fermentation operation? Explain in brief 04
(c) Classify dye based on its application 07
OR
Q.5 (a) Explain two method for used to prepare Titanium dioxide 03
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(b) What is Antibiotics? Give examples 04
(c) Discuss manufacturing process of penicillin with flow sheet 07
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