This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Common Chemical Industries in Pakistan - 3
1.
The digester is usually _________ feet in length and _________ feet in diameter.
a) 40, 7
b) 35, 8
c) 30, 7
d) 35, 7
2.
The sheet is calendered through a series of roll nips to reduce thickness and _________ the surface.
a) Smooth
b) Urea
c) Nitrate
d) Kiln
3.
_____________ plays such an important role in the present day economic development.
a) Fertilizer
b) Nitrate
c) Paper
d) Kiln
4.
At present there more than ___________ pulp and paper industries in private as well as in public sectors.
a) 30
b) 25
c) 35
d) 40
5.
Trace elements include
a) N
2
, O
2
, H
2
b) C, H, O
c) S, P, K
d) B, Cu, Fe
6.
High quality nitrogenous fertilizer
a) KNO
3
b) Ammonia
c) (NH
4
)
2
HPO
4
d) Urea
7.
NH
2
COONH
4
→Δ
a) N
2
+CO
2
+H
2
O
b) (NH
2
)
2
CO +H
2
O
c) NH
3
+ CO
2
d) NH
4
NO
3
+ CO
2
8.
NH
3
+ HNO
3
a) (NH
2
)
2
CO
b) N
2
+ O
2
c) NH
4
NO
3
d) NH
4
OH + NO
2
This is more feedback!
This is the feedback!