M.Sc. (Semester III) (CBCS) Examination Mar/Apr-2018
Analytical Chemistry
APPLIED ANALYTICAL CHEMISTRY
Time: 2½ Hours
Max. Marks: 70
Instructions: Attempt in all five questions. Question No. 1 is compulsory. Attempt any two questions from Section II and any two questions from Section III. Draw neat labeled diagram wherever necessary. Answer to all questions should be written in same answer book. All question carry equal marks. Figures to the right indicate full marks. Use of log table and calculator is allowed.
Section I
Q.1

Answer the following:
14
Write the role of formaldehyde in estimated of potassium from fertilizer.
Mention the function of borates and carbonates in creams.
Explain the principle of determination of ziram.
Write the difference between fertilizer and manure.
What are the major and minor constituents of bauxite ore?
How tri-acid digestion is carried out?
Write the chemical formula of haematite ore.
What is the percentage of copper present in bronze?
What catalyst is used in Kjeldahl's nitrogen method for estimation of nitrogen?
Explain the role of propelene glycol and triethanol amine in cosmetics.
Give the classification of plant nutrients.
What is the importance of soil reaction?
Give the major composition of creams.
Write the principle of analysis of gammexane.
Section II
Q.2
Write the analysis of face powder with respect of
Zinc
Aluminium
07
Define alloy. Discuss estimation of manganese, copper and chromium from steel alloy.
07
Q.3
What are deodorants and antiperspirants? How will you estimate titanium and hexachlorophene from them?
07
How will you analyze the following pesticides from their sample
Thiram
Zineb
07
Q.4
What are cosmetics? How non-volatile matter, ash and different contents can be determined from It.
07
How is the moisture determined from plant sample by different method of ashing?
07
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SLR-UF-231
Section III
Q.5
Write in detail the analysis of solder alloy.
05
How is the ammonia nitrogen estimated from fertilizer?
05
Write field description of soil.
04
Q.6
Give analytical procedure for analysis of illimente ore.
05
How starch and sugar are estimated from plant material?
05
How will you determine choridane from pesticide sample?
04
Q.7
Write a note on any Three of the following.
14
Soil fertility
Cupro Nickel alloy analysis
Determination of Fe and Mn from plant
Classification of pesticides and insecticides