B.Sc. (Part II) (Semester IV) Entrepreneurship (CBCS)
Examination, 2018
Industrial chemistry (Paper VIII)
Industrial Aspect of applied chemistry
Day and Date Tuesday, 11-12-2018 Total Marks 70
Time 10.30 a.m. to 1.00 p.m.
Instructions All questions are compulsory.
Draw neat labeled diagram and give equations
wherever necessary.
All questions carry equal marks.
Figures to the right indicate full marks.
1. Select the correct alternative from among those given below and rewrite the
sentences. 14
In roasting, metal in the ore is converted into
Halides Oxides Sulphides Atomic state
ii) is the process which gives the coating of oxide film on the
surface of aluminum and it's alloys.
Electrolysis Electro-osmosis
Electrophoresis Anodising
iii) Another mineral other than ammonia essential for plants is
Potassium Sodium
Phosphorus Uranium
iv) For green colour of glass is used.
Chromium oxide Tin oxide
Nickel oxide Ferric oxide
Seat
No. Set P
P.T.O.
The word ceramic meant for material.
Soft Hard Burnt Dry
vi) For the reduction of iron is used as reducing agent.
Sodium Potassium
Carbon Calcium
vii) metal is preferred for anodic oxidation.
Iron Nickel Aluminum Silver
viii) is coated with a coating agent in order to reduce the absorption
of moisture.
Nitro phosphate Potassium phosphate
Potassium sulphate Ammonium sulphate
ix) are used in making lenses of microscope.
Fiber glass Optical glass
Colored glass Soda lime glass
is added to slow down the rate of setting of cement.
CaSO4. 2H2O CaO
Al2O3 SiO2
xi) The upper part of blast furnace is called as
Hearth Body Well Throat
xii) In electroplating, the electro-deposition takes place at
Cathode Anode
Both and None of these
xiii) Superphosphate and triple superphosphate are fertilizers.
Organic Inorganic
Physical None of these
xiv) Cullets are used to of reacting mixture known as Batch.
Increase M.P. Decrease M.P.
Increase B.P. Increase B.P.
SLR-SK 30 *SLRSK30*
Set P
2. Answer any seven of the following 14
Define the term Glass and Cement.
ii) State Faraday's first law of electrolysis.
iii) What is ceramic Give it's two application.
iv) Write the formula of cathode efficiency and anode efficiency.
Give any two physical properties of glass.
vi) Define the calcinations and roasting process.
vii) Write the raw materials used in manufacture of urea.
viii) What do you mean by direct and indirect fertilizers
ix) Enlist the steps involved in metallurgical process.
3. Attempt any two of the following 10
Explain the various raw materials used in the manufacture of glass.
ii) Write short note on Anodizing.
iii) Explain in detail froth floatation method.
Write the qualities of an ideal fertilizer. 4
4. Answer any two of the following. 14
Explain in brief electroplating of Nickel.
ii) Describe superphosphate as fertilizer.
iii) Explain the classification of ceramic.
5. Write note on any two of the following. 14
Manufacture of Portland cement by wet process with suitable diagram.
ii) Manufacture of glass by pot furnance method.
iii) Manufacture of steel by L.D. Process.