Master of Science II (Chemistry) Examination: Oct Nov 2016
Semester III (Old CGPA)
SLR No. Day
Date Time Subject Name Paper No. Seat No.
SLR SD
259
Monday
21/11/2016
02.30 PM
to
05.00 PM
Applied Analytical
Chemistry
C
XI
liable
Instructions: Attempt in all five questions.
Section-I is compulsory.
Attempt any twoquestions from Section II and Section III.
Answers to all the three sections are to be written in the one
answer book.
Figures to the right indicate full marks.
Draw neat, labeled diagrams wherever necessary.
Use of log Table provided by university is allowed.
Total Marks:70
SECTION I
Q.1 Answer the following questions. 14
What are the constituents of feeding stuffs?
What is ore? Give examples.
In analysis of solder alloy, the alloy is generally dissolved into nitric acid.
Why?
Give the chemical formula of gypsum.
Give the classification of plant nutrients.
What are the various steps involved in sampling of the soil?
What is the basic principle used in determination of DDT residue in food
grains?
What are the chemical factors of soil?
What are important alloying elements in brass?
Alloy is a mixture of more than two metals. (True/False)
Standard fertility test of soil includes NO3, NH4, organic matter.
(True/False)
Mercury containing skin-lightening cream (fair lovely) affect the kidney,
liver and brain. (True/False)
Drinking water is a source of minerals. (True/False)
Alloy is not used to avoid corrosion. (True/False)
SECTION II
Q.2 What is the composition of bauxite ore? Why is the bauxite ore not dissolved
in mixture of acids? Give the experimental procedure for the determination of
various constituents present in the bauxite ore.
07
How will you evaluate the content of pesticides in the following?
Chlordane ii) Zinab Thiram
07
Page 1 of 2
Q.3 What do you mean by available phosphorus and non-available phosphorus in
the fertilizer sample? Describe the analysis method for the determination of
phosphorus in phosphatic fertilizer.
07
Give the detail analysis of steel alloy. 07
Q.4 How will analyze the following pesticides from their sample?
Ziram ii) Gammexane Thiometon
07
Give the procedure for determine pH of soil sample? 07
SECTION III
Q.5 Explain determination of water, non-volatile matter and ash content in
cosmetic analysis.
05
What are the various mineral constituents in plants? Write the procedure for
determination of calcium and magnesium?
05
How will you determine molybdenum present in the soil sample? 04
Q.6 What do you mean by pyrolusite ore? Give the detail analysis of pyrolusite
ore.
05
Write short account of plant analysis with respect to
Moisture determination
ii) Method of ashing
iii) Determination of minerals such as sulphur and manganese.
05
What is the role of methenamine in deodorant and how it can be analyzed? 04
Q.7 Write short notes on any THREE 14
Field description of soil
Haematite
Bronze
Soil fertility