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Environmental Chemistry - 2
1.
Synthetic organic chemicals at ______________ concentrations can cause nausea dizziness, tremors and blindness.
a) Organic
b) Volume
c) High
d) Low
2.
Chromium ___________ is highly toxic and is known to cause _____________.
a) Organic
b) VI
c) Air
d) Alkaline
3.
BOD value is the Biological oxidation of dissolved __________ matter in the sample.
a) Alkaline
b) Aeration
c) Organic
d) Air
4.
________________ process oxidizes water soluble Fe+2 to Fe+3 in the form of insoluble Fe(OH)
3
solid.
a) Plastics
b) Alkaline
c) Air
d) Aeration
5.
The _____________ pH can prevent the formation of Chloramines.
a) Aeration
b) Alkaline
c) Air
d) High
6.
Incineration is a solid waste treatment process carried out at the range of __________ oC temperature.
a) 900-1000
b) 700-800
c) 1000-1100
d) 800-900
7.
The incineration may reduce the _____________ of the waste by two third.
a) Rotary
b) Recycling
c) Volume
d) High
8.
Incineration system consists of a _____________ kiln which accept all types of wastes including liquid, solid or sludge.
a) Rotary
b) Recycling
c) Reducing smog
d) Organic
9.
Burning in the incinerator produces ____________ pollution and also __________ash.
a) Air, Toxic
b) Pungent, Suffocating
c) Polycyclic aromatics
d) Carbon monoxide
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