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Test: Control of Environmental Pollution and pollutants - JEE MCQ


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15 Questions MCQ Test Chemistry for JEE Main & Advanced - Test: Control of Environmental Pollution and pollutants

Test: Control of Environmental Pollution and pollutants for JEE 2024 is part of Chemistry for JEE Main & Advanced preparation. The Test: Control of Environmental Pollution and pollutants questions and answers have been prepared according to the JEE exam syllabus.The Test: Control of Environmental Pollution and pollutants MCQs are made for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Control of Environmental Pollution and pollutants below.
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Test: Control of Environmental Pollution and pollutants - Question 1

Which of the following acts as a sink for CO ?

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 1

Sink is a medium which consumes pollutants from the environment. Pollutants refer to compounds which are harmful for our environment. Soil also acts as a sink for carbon monoxide. Since soil is a natural medium,microorganisms present in soil.

Test: Control of Environmental Pollution and pollutants - Question 2

Green chemistry means such reactions which :

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 2

Green chemistry may be defined as the programme of developing new chemical products and chemical processes or making improvements in the already existing compounds and processes so as to make less harmful to human health and environment. This means the same as to reduce the use and production of hazardous chemicals. i.e. correct answer is option (b).

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Test: Control of Environmental Pollution and pollutants - Question 3

Use of which of the following solvent in dry cleaning will result in less harm to ground water?

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 3

Replacement of earlier used tetrachloroethene as solvent for dry cleaning by liquid CO2 results in less harm to ground water.

Test: Control of Environmental Pollution and pollutants - Question 4

Synthesis of ethanal commercially from which of the following reagent is the part of green chemistry?

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 4

Ethanal is commerically prepared by one step oxidation of ethene in the presence of ionic catalyst in aqueous medium with an yield of 90%.

Test: Control of Environmental Pollution and pollutants - Question 5

Which of the following practices will not come under green chemistry?

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 5

Green chemistry is related to ecofriendly purposes.
Since, plastics are non-biodegradable, they cause pollution. Therefore, using plastics cans for neatly storing substances will not come under green chemistry.

Test: Control of Environmental Pollution and pollutants - Question 6

Which of the following practices will not come under green chemistry?

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 6

Green chemistry is the different process and methods that helps in minimizing the effects of pollution and eliminating the hazardous substances. It takes care that no products add to the environmental pollution. So using plastic cans does not come under green chemistry.

Test: Control of Environmental Pollution and pollutants - Question 7

Which of the following statement(s) is/are true about waste recycling?
(i) Clothes can be made from recycled plastic waste.
(ii) Fuel that has high octane rating and contains no lead can be obtained from plastic waste.
(iii) Technology has now been developed to produce electricity from the garbage.

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 7

All the given statements are true for about waste recycling.

Test: Control of Environmental Pollution and pollutants - Question 8

Phosphate fertilizers when added to water leads to

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 8

Addition of phosphate and nitrate fertilizers into water leads to nutrient enrichment or eutrophication.

Test: Control of Environmental Pollution and pollutants - Question 9

Environmental pollution affects

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 9

Environmental pollution has following effects:
1. Effects on Humans: The effects of environmental pollution on humans are mainly physical, but can also turn into neuro-affections in the long term.
2. Effects on Animals: Environmental pollution mainly affects animal by causing harm to their living environment, making it toxic for them to live in
3. Effects on Plants: As for animals, plants, and especially trees, can be destroyed by acid rains (and this will also have a negative effect on animals as well, as their natural environment will be modified), ozone in the lower atmosphere block the plant respiration, and harmful pollutants can be absorbed from the water or soil.
4. Effects on the Ecosystem: In short, environmental pollution, almost exclusively created by human activities, has a negative effect on the ecosystem, destroying crucial layers of it and causing an even more negative effect on the upper layers.

Test: Control of Environmental Pollution and pollutants - Question 10

Which of the following is most abundant hydrocarbon pollutant?

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 10

Most abundant hydrocarbon pollutant is methane.

Test: Control of Environmental Pollution and pollutants - Question 11

The aromatic compounds present as particulates are

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 11

PAH (Poly Aromatic Hydrocarbon)

Test: Control of Environmental Pollution and pollutants - Question 12

Which of the following statement is incorrect?

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 12

NO2 is involved in photochemical smog. When it is exposed to ultraviolet radiation, the NO2 molecule is known to undergo a complex series of hydrocarbon reactions to produce the photochemical smog components. These components include a mixture of ozone, aldehydes, nitric acid, peroxyacyl nitrates (PANs) and many other secondary pollutants.

Test: Control of Environmental Pollution and pollutants - Question 13

Pollutants released from iron and steel industry are

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 13

CO, CO2 and SO2 are released from iron and steel industries.

Test: Control of Environmental Pollution and pollutants - Question 14

Aerobic oxidation is caused by

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 14

Aerobic oxidation is caused by aerobic bacteria in presence of O2.

Test: Control of Environmental Pollution and pollutants - Question 15

Which one of the following regions of atmosphere contains ozone?

Detailed Solution for Test: Control of Environmental Pollution and pollutants - Question 15

Ozone is present in stratosphere

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