Master of Science II (Chemistry) Examination: Oct Nov 2016
Semester IV (Old CGPA)
SLR No. Day
Date Time Subject Name Paper No. Seat No.
SLR SD
211
Saturday
19/11/2016
02.30 PM
to
05.00 PM
Inorganic Chemical
Industries
C
XIV
Instructions: Answer any five questions.
All questions carry equal marks.
(Section-I) Q.1 is compulsory.
Attempt any two questions from Section II
Attempt any two questions from Section III
Draw neat and labeled diagrams wherever necessary.
Use of log table and calculators in allowed.
Total Marks:70
SECTION I
Q.1 Answer the following: 14
What is Thomas Slag?
What is meant by blister copper?
What is meant by Tempering of steel?
How is plaster of paris obtained?
Why does cerium oxide is added to optical glass?
How does potassium permanganate prepare?
What is meant by Dielectrics?
What is meant by pigment?
How does sodium sillicate prepare?
Why cement is called as Portland cement?
Which constituent of cement causes its initial setting?
How do Earthenwares differ from Stonewares?
How does extra pure thorium obtain from impure metal?
How does sulphur affect on the properties of cast iron?
SECTION II
Q.2 Describe in detail with respect to the raw material the manufacturing process
of glass.
07
What d you mean by Ellingham diagram? Explain the oxide metallurgy on the
basis of Ellingham diagram.
07
Q.3 Explain the blast furnace process for the manufacture of pig iron 07
Explain the American and French process for manufacturing of Zinc oxide
pigment.
07
Q.4 Explain the Mechanism of Phosphorescence and mention its important uses. 07
What are the important ore of zinc? Describe the various steps involved in the
Extraction of Aluminium from bauxite ore.
07
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SECTION III
Q.5 Explain the various alloys used in electrical and electronic industry. 05
Describe the manufacturing process of Alumina 05
Explain the following terms
Lead glass
ii) pyrex glass
04
Q.6 How does ferrous sulphate prepare? Discuss the industrial manufacturing
process of ferrous sulphate.
05
What is glaze? Explain the purpose and different types of glazing process. 05
Discuss ceramic as superconductor. 04
Q.7 Write a note on any three of the following: 14
Position of Inorganic chemical industries in India.
Refractories
Titanium oxide as pigment
Properties of lime.