B.Sc. (Semester III) (Entrepreneurship) (CBCS) Examination, 2018
Industrial chemistry (Paper VI)
(Analytical and Industrial Aspects of Organic Chemistry)
Day and Date Tuesday, 4-12-2018 Max. Marks 70
Time 2.30 p.m. to 5.00 p.m.
Instructions All questions are compulsory.
Figures to the right indicate full marks.
Draw neat labeled diagrams wherever necessary.
1. Choose the correct alternative and rewrite the sentences again 14
salts of higher fatty acid are known as soft soaps.
Sodium Potassium Calcium Magnesium
Sodium hyposulphite is used as in soap.
Oxidant Antioxidant
Reductant Saponifying alkali
Soap is molecule.
Hydrophilic Basic hydrophobic
Amphipathic All of these
Proguanil is an
antimalarial antibacterial CNS antidiabetic
Guanidino group is present in
isoniazide phenobarbital ethambutol paludrin
The process of removal of starch material is called as in textile
industry.
Desizing Sizing Scouring Bleaching
Typhoid, typhus is cured by
Ibuprofen chloromycetin
chloromycetin Isoniazide
of the following is a synthetic fiber.
Jute Wool Nylon Silk
P.T.O.
Set P
Seat
No.
Set P
SLR-SK 24 *SLRSK24*
imparts flexibility and smoothness to the warp threads.
Lubricants Brightners Starch Adhesives
10) In India sucrose is manufactured from
Molasses Sugar cane Beet All of these
11) Defication is a process used in of cane juice.
Extraction Concentration Purification None of these
12) Rectified spirit is a mixture of
95% ethyl alcohol H2O 80% ethyl alcohol 20 H2O
94% ethyl alcohol H2O 95.6% ethyl alcohol 4.4% H2O
13) The chemicals used to control weeds are called as
Insecticide Micronutrients
Herbicide Hormones
14) Condensation of indole with chloroacetonitrile followed by hydrolysis
yields
Indole-3-acetic acid Monocrotophos
Endosulphan Ethophon
2. Define and explain any four of the following 8
Draw the diagram of three roll mill.
Name the different types of detergent.
What do you mean by power alcohol
Give the classification of fiber.
What is meant by agrochemicals Give its examples.
Write short note on any two of the following 6
General idea and property of starch.
Clarification of juice.
Types of soap.
3. Answer any two of the following 8
Write the synthesis and uses of isoniazide Ethambutol.
Which by-products are formed during the manufacture of alcohol
Discuss different raw materials used in soap manufacturing.
Set P
Answer any one of the following 6
Distinguish between soap and detergent.
Explain bleaching action in textile industry.
4. Answer any two of the following 10
Give the synthesis and uses of monocrotophos.
Explain in brief different steps involved in refining of raw sugar.
Discuss in brief by-products of sugar industry.
Answer any one of the following 4
Give the synthesis and uses of Paludrin.
Explain in brief about extraction of juice.
5. Answer any two of the following 14
What are the soaps Discuss the manufacture of soap by hot process.
What is sizing process and discuss different ingredients used for sizing
Write the synthesis and applications of following agrochemicals.
Carbaryl IAA.