Kerala University 2009 M.Tech Civil Engineering Environmental Engineering - Environmental Chemistry - Question Paper

Ill HI    (Pages : 2)    3602

Reg. No. : ......................... Name : ..............................

First Semester M.Tech. Degree Examination, June 2009 Branch : Civil (2008 Scheme)

Environmental Engineering CEC 1001 : ENVIRONMENTAL CHEMISTRY

Time: 3 Hours    Max. Marks: 100

Instruction : Answer all Parts.

PART - I

Answer any ten :

I. a) State Daltons law of partial pressures.

b)    What is common ion effect ?

c)    What is the principle behind solvent extraction ?

d)    What is stability constant ?

e)    What is Tyndall Effect ?

f)    Define sol.

g)    What is an isotope ? Give example.

h)    What fraction of an initial amount of ¹⁴C left after one year ?

i)    What is an enzyme ?

j) A sample of sludge has a total solids content of 3.42 percent. If the sludge specific gravity is 1.06, what is the total solids content in gm/litre ?

k) Differentiate aliphatic and aromatic compounds.

l) What are detergents ? Differentiate detergents and soaps.

m) What are are the different types of hardness ?    (1¹/2x10=15 Marks )

PART - II

Answer any five questions :

II. a) What are the different types of adsorption ? Differentiate each.    17