B.Sc. II (Semester III) (Entrepreneurship) (Old-CGPA)
Examination, 2018
INDUSTRIAL CHEMISTRY (Paper IV)
Analytical and Industrial Aspects of Organic Chemistry
Day and Date Friday, 27-4-2018 Max. Marks 70
Time 2.30 p.m. to 5.00 p.m.
N. B. All questions are compulsory.
Figures to the right indicate full marks.
Draw neat labelled diagrams and give equations wherever
necessary.
1. Select most correct alternative among the following and rewrite the sentences 14
The soap is molecule.
amphipatic hydrophilic
basic hydrophobic all the above
Defication is a process used in of cane juice.
concentration purification
extraction all the above
Among the following, which is not a natural fiber
Nylon Jute
Wool Silk
is the CNS drug.
Phenobarbitone Ethambutol
Ibuprofen Paludrin
MIC is required for the synthesis of
IAA Carbaryl
Monocrotophos Endosulphan
is of the following is not additive used in soap manufacture.
Antioxidant Fixative
Fatty acid Builder
Bagasse is used for
seeding
extraction of juice
manufacture of celotex
all the above
The process of removal of wax and tallow during sizing process is called
as
Scouring Singeing
Desizing None of these
is the antitubercular drug.
isoniazid paludrin
phenobarbitone chloromycetin
10) Carbaryl is also known as
Rhizopan Ethrel
Azodrin Sevin
11) Antioxidant added to soap help
To increase the durability of soap
To increase detergent action of soap
To increase the brightness of washing
None of these
12) The compound imbibition technique is used to
Crystallize sugar from massecuite
Extract juice from sugar cane
Concentrate sugar cane juice
Clarification of juice
13) impart flexibility and smoothness to the warp threads.
Brighteners Lubricants
Starch Adhesive
14) A drug should be and effective.
Selective
Sensitive
Hypersensitive
None of these
2. Answer any seven of the following 14
Explain Builders, ii) Optical brighteners.
ii) Explain extraction of juice.
iii) Explain in brief sizing ingredients.
iv) Define drug with example.
Give the synthesis of methoxychlor.
vi) Define the soap. How it is prepared
vii) Write the steps used in sugar industry.
viii) What are the types of fibers
ix) Write the uses of ethephon.
3. Write short notes on any two 10
Clarification of juice.
ii) Properties of starch.
iii) Synthesis and uses of carbaryl.
Explain the By-products of sugar industry. 4
4. Answer any two of the following 14
Explain manufacture of soap by hot process.
ii) Explain the process of sizing used in textile industry.
iii) Give the synthesis of
Monocrotophos
ii) Indole-3-acetic acid.
5. Answer any two of the following 14
Explain the cleaning action of soap.
ii) Explain manufacture of ethanol from molasses.
iii) Give the synthesis and uses of paludrin.