MDCAT Chemistry Chapter 21 online mcq test with answers for chapter 21 (Environmental Chemistry)

Chapter 21 is an important part of MDCAT Chemistry that covers polymers and biological macromolecules. It includes the formation and uses of addition polymers like polyethene, polystyrene, and polyvinyl chloride (PVC), as well as condensation polymers such as polyesters (terylene) and polyamides (nylon-6,6). Understanding these topics helps students grasp how small molecules combine to form large, useful materials found in everyday life.

This chapter also explains the structure of proteins , including their primary and secondary structures , and the structure and function of nucleic acids (DNA) , which carry genetic information. By attempting the MDCAT Chemistry Chapter 21 MCQ Test with Answers , students can review key concepts, check their understanding, and strengthen their preparation for the exam.

Top Scorers Of MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQ`s Test

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Meer Sadeed 07 - Sep - 2023 10 Min 50 Sec 13/20
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Rana Ubaid Chohan 16 - Jul - 2022 10 Min 50 Sec 13/20

MCAT Chemistry Chapter 21 Important MCQ's

Sr.#	Question	Answer
1	CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destroy	A. 10,000 B. 20,000 C. 100,000 D. 50,000
2	In incinerating the waste is burnt at	A. 1000°C B. 100°C C. 2000°C D. 1500°C
3	The normal amount of overhead ozone is	A. 350 DU B. 450 DU C. 400 DU D. 300 DU
4	Which is not an air pollutant	A. N₂ B. CO C. NO D. N₂O
5	Which is unnecessary for purification of water for drinking purposes	A. Coagulation B. Aeration C. Treatment with Iodine D. Treatment with chlorine
6	Depletion of ozone is more during the month:	A. Jan-March B. April-Jun C. July-Aug D. Sept-Nov
7	Part of fresh water consumed in domestic purpose:	A. 1% B. 2% C. 69% D. 8%
8	Unit of ozone is?	A. Debye B. Dobson C. Esu D. Coulumb
9	When chlorofluoro carbon are subjected to U.V they form	A. Cations B. Aninons C. Free radicals D. None of these
10	Region of earth capable of supporting life is called:	A. Atmosphere B. Hydrosphere C. Lithosphere D. All of these

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MDCAT Chemistry Chapter 21 MCQ Test With Answer for (Environmental Chemistry)

MCQ's Test For MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test

MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test

Which of the following does not contribute towards the formation of photochemical smog?

Which factor is helping to reduce the environment pollution

The suspended particles in the raw water can be removed by the

The temperature in the incineration of industrial and hazardons waster process had a range

The cause of minamata disease is the pollution of

Biochemical oxygen demand is the capacity of organic matter in natural water to consume oxygen

COD of water can be measured by

Exposure to CO results in

Transportation causes to produce CO2 in atmosphere:

The percentage of SO2 produced by volcanoes is:

The bonding occurs among polar covalent molecules containing H and one of the small electronegative element such as O,F or N is called:

Oceans, rivers, streams, leaks, polar ice caps, glaciers and group water reservoirs are included in

Chemicals used to kill pests are:

Leather tanneries use big auantities of:

Detergents are surfactants and they reduce the

For incineration temperature range is (in oC)

Which of the following human activities are contaminating surface and ground waters?

What is the effect of polluted air on environment

The eleventh concentration of metal cause clogs of gills in fish:

Ozone is effectively removed by

Prepare Complete Set Wise MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQs Online With Answers

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Set 9

Set 10

Set 11

Set 12

Set 13

Set 14

Set 15

Set 16

Set 17

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Top Scorers Of MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test MCQ`s Test

MCAT Chemistry Chapter 21 Important MCQ's

Test Questions

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Transportation causes to produce CO₂ in atmosphere:

The percentage of SO₂ produced by volcanoes is:

For incineration temperature range is (in ^oC)