Name and describe 5 surface modification techniques? What are
the advantages and disadvantages of each technique?...
Name and describe 5 surface modification techniques? What are
the advantages and disadvantages of each technique? Provide
examples of when each modification technique would be used.
Question 1:
a) What are the advantages and disadvantages of each technique?
( Be specific about each type of chromatography as well as
extraction)
b) When would the application of each technique be
appropriate?
c) What are the factors that affect the separation of substances
in each technique?
1) Is it better to do a series of small volume extractions or
one large one? Explain why.
2) TLC: What factors affect the Rf values?
3) Column Chromatography: What factors affect...
Describe what qualitative forecasting models are. What are the
advantages and disadvantages of this modelling?
“High correlation between two variables means that one is the
cause and the other is the effect”. Explain this statement
Describe what qualitative forecasting models are. What are the
advantages and disadvantages of this modelling?
“High correlation between two variables means that one is the
cause and the other is the effect”. Explain this statement
Question three
Describe the term simulation
Explain the advantages and disadvantages of simulation
techniques
Solve the following transportation problem using any suitable
method. The cell entries are unit costs
D1
D2
D3
D4
D5
available
O1
68
35
4
74
15
18
O2
57
88
91
3
8
17
O3
91
60
75
45
60
19
O4
52
53
24
7
82
13
O5
51
18
82
13
7
15
Required
16
18 ...