Search for notes by fellow students, in your own course and all over the country.
Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.
Title: Chemistry and Environment Objective type Questions and Answers
Description: Environment constitutes air, water, soil, the atmosphere and the plants that are around us. Environmental chemistry deals with the chemical phenomena taking place around us, and the impact it has on the environment. It is also related to biology, agriculture, medicine and public health. In recent years air, water and soil are polluted heavily due to human activity causing threat to the very existence of life on the planet, earth. Earth is the only planet in the solar system having conditions required for the survival of the living organisms.
Description: Environment constitutes air, water, soil, the atmosphere and the plants that are around us. Environmental chemistry deals with the chemical phenomena taking place around us, and the impact it has on the environment. It is also related to biology, agriculture, medicine and public health. In recent years air, water and soil are polluted heavily due to human activity causing threat to the very existence of life on the planet, earth. Earth is the only planet in the solar system having conditions required for the survival of the living organisms.
Document Preview
Extracts from the notes are below, to see the PDF you'll receive please use the links above
Chemistry
1
...
The main causes for pollution is/are _________
(a) increase in population
(b)
(c) deforestation
(d)
urbanisation
all
Which one is not a pollutant?
(a) sulphurdioxide
(c) lead
sea water
mercury
(b)
(d)
3
...
Carbondioxide is an example of ____________
(a) quantitative pollutant
(b) qualitative pollutant
(c) degradable pollutant
(d) non degradable pollutant
5
...
D
...
Radioactive materials and plastics are example of ________and _______
pollutants respectively
(a) biodegradable
(b) non degradable
(c) biodegradable and primary
(d) non degradable and biodegradable
7
...
Natural pollutants is / are ______
(a) pollen
(c) cysts
(b)
(d)
spores
all
9
...
The pollutant in air which cause lung cancer is _____
(a) hydrocarbons
(b) asbestosis
(c) dust particles
(d) lead
11
...
Which is not a water pollutant?
(a) Addition of animal waste
(b) D
...
T
(c) Dead fallen leaves
(d) Metals coming out from chromium plants industry
13
...
(a) The presence of oxides of carbon and nitrogen changes the acidity or
alkanity of
water and water becomes toxic to aquatic animals
(b) Conventional fuels should be encouraged to minimize air pollution
(c) The main source of contamination of drinking water is dissolved
minerals from rock and soil
(d) Chemicals and fertilizers pollute the soil
14
...
(a) less than 150dB
(b) 120 to 150dB
(c) less than 100dB
(d) less than 50dB
15
...
Sewage
P
Primary pollutant
2
...
Plastic
R
Nondegradable pollutant
(a) 1 = P; 2 = Q; 3 = R
(b) 1 = Q; 2 = R; 3 = P
(c) 1 = R; 2 = Q; 3 = P
(d) 1 = Q; 2 = P; 3 = R
16
...
1
...
dust
...
The plant which can fix carbon monoxide is ________
(a) Pinus
(b) Funiperus
(c) Coleus coleus
(d) both (b) & (c)
18
...
Which of the following increases air pollution directly?
(a) Presence of metals and complex compounds in water
...
(c) Presence of hydrogen sulphide in water
(d) all
20
...
21
...
D
...
T is an example for _________ type of pollutant
...
The main sources of sulphurdioxide pollutant is _____
(a) Volcanic activity
(b) Chemical industry
(c) Power houses
(d) Textile mills
24
...
Emphysema is caused by the _________ pollutant
(a) CO
(b) SO2
(c) Hydrocarbons
(d) particulate
26
...
The presence of cyanides in water causes ______
(a) Change in acidity or alkalinity of H2O
(b) Decrease in photosynthesis
(c) Eutrophication
(d) none
28
...
Pyrolysis is _______
(a) burning with oxygen
(c) both (a) & (b)
(b)
(d)
burning without oxygen
none of the above
30
Title: Chemistry and Environment Objective type Questions and Answers
Description: Environment constitutes air, water, soil, the atmosphere and the plants that are around us. Environmental chemistry deals with the chemical phenomena taking place around us, and the impact it has on the environment. It is also related to biology, agriculture, medicine and public health. In recent years air, water and soil are polluted heavily due to human activity causing threat to the very existence of life on the planet, earth. Earth is the only planet in the solar system having conditions required for the survival of the living organisms.
Description: Environment constitutes air, water, soil, the atmosphere and the plants that are around us. Environmental chemistry deals with the chemical phenomena taking place around us, and the impact it has on the environment. It is also related to biology, agriculture, medicine and public health. In recent years air, water and soil are polluted heavily due to human activity causing threat to the very existence of life on the planet, earth. Earth is the only planet in the solar system having conditions required for the survival of the living organisms.