2018_2 TMA Questions and Answers: CHM314- Environmental Chemistry

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Adebisi
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2018_2 TMA Questions and Answers: CHM314- Environmental Chemistry

Postby Adebisi » Tue Dec 04, 2018 6:04 pm

2018_2 TMA Questions and Answers: CHM314- Environmental Chemistry




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Score: 10/10

The current shift towards excess per cent level by volume of carbon dioxide is brought about ___________. _ Answer: Anthropogenic activities

Burning of fossil fuel and agro fuels release _________. _ Answer: $$CO_{2}$$ + $$H_{2}O$$

During electrical storms, nitrogen is first oxidized to ___________. _ Answer: NO

Which of the following will release oxides of nitrogen into the atmosphere? _ Answer: Combustion of fossil fuels

__________ is not a way by which carbondioxide is released into the atmosphere. _ Answer: Photosynthesis

Acid rain results when _________ in the atmosphere. _ Answer: Oxides of sulphur and nitrogen interact with water vapour

The process by which rainfall on the soil,sinks down or moves down the soil is known as ______. _ Answer: Percolation

The layer of the atmosphere that most living things exist is the _________. _ Answer: Troposphere

The heating of the upper layer of the stratosphere is caused by ________. _ Answer: Depletion of ozone layer

Among the options given hydrogen and helium are the predominant _____________. _ Answer: Exosphere



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Adebisi
Posts: 843
Joined: Mon Nov 06, 2017 6:59 am
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Re: 2018_2 TMA Questions and Answers: CHM314- Environmental Chemistry

Postby Adebisi » Tue Dec 04, 2018 6:07 pm

Email: Solutions2tma@gmail.com
Whatsapp: 08155572788

Score: 10/10

One of the serious effects of eutrophication is __________ _ Answer: It stimulates alga growth

The use of chlorofluorocarbons is capable of causing ___________ _ Answer: Ozone depletion

Which one of the following options is an example of an anthropogenic particulate matter _ Answer: Smoke

The nature and extent of the ill effects that may be linked to suspended particulates depend on _____________ _ Answer: Concentration of particulates

Which one of the following is not a source of volatile organic compounds _ Answer: Kerosine

All of the following are air pollutants except _ Answer: Persistent Organic Chemicals

Among the oxides of sulphur listed below, which of them is of interest in the study of air pollution _ Answer: $$SO_{3}$$

Which of the following is one of the reason why the emission of SO2 is a concern _ Answer: It foster the development of chronic respiratory diseases

Which of the following heavy metals is essential for normal healthy growth and reproduction in plants and / or animals at certain critical concentrations _ Answer: Cu

Soil can be contaminated with heavy metals by which of the following sources _ Answer: Artificial fertilizers


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Adebisi
Posts: 843
Joined: Mon Nov 06, 2017 6:59 am
Contact:

Re: 2018_2 TMA Questions and Answers: CHM314- Environmental Chemistry

Postby Adebisi » Tue Dec 04, 2018 6:08 pm

Email: Solutions2tma@gmail.com
Whatsapp: 08155572788

Score: 10/10


Which of these is not found in a typical municipal wastewater? _ Answer: Particulates

Solid waste that emanates from residential and commercial buildings is classified as ____________. _ Answer: Municipal waste

Solid waste management include all of the options given except ______________. _ Answer: Deposition

The mechanism by which light airborne particulates are conveyed to soils is known as ____________ . _ Answer: Atmospheric deposition

The contaminants found in municipal wastewater include ________________. _ Answer: Suspended solids

The biodegradable materials in municipal wastewater include all the options provided except ________. _ Answer: Plastics

Unit operations are methods used for _____________. _ Answer: Removal of contaminants from municipal wastewater by physical means

Wastewater treatment which consists of biological conversion of dissolved and colloidal organics into biomass that can be subsequently removed by sedimentation is known as ________. _ Answer: Secondary treatment

Preliminary wastewater treatment include all of the options except _____________. _ Answer: Activated sludge process

Coarse solids are removed during wastewater treatment by __________. _ Answer: Screening




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