B.Sc. I (Semester II) (Entrepreneurship) (CBCS) Examination, 2018
Industrial Chemistry (Paper II)
fundamentals of analytical chemistry
Day and Date Saturday, 24-11-2018 Total Marks 70
Time 10.30 a.m. to 1.00 p.m.
Instructions All questions are compulsory.
ii) Figures to the right indicate full marks.
iii) Use of log table or scientific calculator is allowed.
1. Choose most correct alternative for each of following and rewrite the
sentences. 14
The process of breaking down the less volatile higher hydrocarbon into
more volatile lower hydrocarbon is called
Cracking Knocking
Hydroforming Isomerisation
ii) Refining of petroleum yields major fractions.
2 5 1 6
iii) Natural gas
Methane Ethane
Propane All of these
iv) Based on origin the polymers are grouped into
and
Homo, hetero Synthetic, natural
Copolymer, polymer Both b and c
A polymer material becomes permanently hard on heating at critical
temperature is
Rubber Thermosetting
Polyethane Thermoplastic
Set P
SLR-SK 15 *SLRSK15*
Set P
vi) Homopolymer carries type of polymer.
Linear Branched
One Two
vii) Natural process is
Spontaneous Non spontaneous
Reversible Adiabatic
viii) Efficiency of heat engine is
0 1
Greater than one Less than one
ix) For cyclic process
q 0 p 0
w 0 q w
In carnot heat engine lower temperature is of
Sink Source
Engine Working Substance
xi) Major nutrients of plant are
O K
Fe, Zn Mg, Mn
xii) The methods of adultration of milk are
Skimming Watering
Addition of foreign material All of these
xiii) For detection of starch in the milk, milk gives colour with
iodine.
Green Blue
Yellow Red
xiv) Out of following is used as antiacid.
HCl NH4OH
Na2Co3 MgSO4
2. Answer any seven of the following 14
Define fire point ii) Flash point.
ii) Give the uses of orlon.
iii) State and explain Hess law.
*SLRSK15* SLR-SK 15
Set P
iv) Write steps involved in Carnot cycle.
Name the major constituents of milk.
vi) Define Desalination ii) Hard water
vii) Define enthalpy.
viii) Define addition and condensation polymer.
ix) Define calorific value and heating value.
3. Answer any two of the following. 10
Explain refining of petroleum with suitable diagram.
ii) What is meant by vulcanisation of rubber.
iii) A heat engine works between.
127°C and 27°C
ii) 500 k and 300k
calculate efficiency of engine.
Give various statements of second law of thermodynamics. 4
4. Answer any two of the following 14
Explain following terms.
Octane number
Reforming
ii) Give the difference between spontaneous and non spontanious
process.
iii) Define antiacids. Give the classification of antiacids. Explain cis platin.
5. Answer any two of the following 14
Give the synthesis and uses of
Polyethene
Polystyrene
ii) Explain types of fuel.
iii) Explain Hess law and Joule-Thomson effect.