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	One of the environmental problem is the formation of oil slicks when oil is spilled form tankers in sea water. Which treatment is suitable to remove oil slicks	A. Blow air B. Add Na₂CO₃ C. Use a specially made sorbent having fluorine trapped in it D. Use a sorbent having Al₂O₃trapped in it
2	Addition of washing soda removes	A. Softness of water B. Temporary hardness of water C. Permanent hardness of water D. Hydrogen from water
3	Water is considered pollutant when value of Do is	A. 6 PPM B. 8 PPM C. 03 PPM D. 10 PPM
4	The normal amount of overhead ozone is about in DU:	A. 150 B. 250 C. 350 D. 450
5	Which one of the pollutants of automobile exhausts affects the nervous system or produces mental diseases	A. NO₂ B. SO₂ C. Hg D. Pb
6	Amount of fresh water used by agriculture is	A. 2% B. 23% C. 69% D. 97%
7	Potable water is considered to be	A. Safe for human consumption B. The ground water C. The surface water D. Now safe for human consumption
8	Which gas produces air pollution?	A. oxides of sulphur B. oxides of carbon C. all of these
9	The suspended particles in the raw water can be removed by the	A. Coagulation B. Aeration C. Hydration D. Dehydration
10	The range of UV-B is:	A. 320 to 400 nm B. 200 to 280 nm C. 280 to 320 nm D. 50 to 400 nm

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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

Main cause of reducing map is:

Chemistry related to the study of environment affected by the chemicals and pollutants is called:

Which is the most toxic among the given?

Coal contains sulphur in it:

Nitrogen in the atmosphere is:

Water which his considered to be safe for human consumption is known as

In the atmosphere, O2is about

Acid rain is caused when various atmospheric gases dissolve in rain water. What are the gases that cause rain water

Photo chemical smog contains ______ as main reactants

What is the morality of a solution containing 15g of urea is 500cm3 of solution?

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

Coagulation removes suspended particles in ran water:

The destructive distillation of coal gives three products. which of following is not the product of destructive distillation of coal?

Fresh water of total earth water is:

Peroxyacetylnitrate (PAN) is an irritant to human beings and it affects:

Ozone in stratosphere extends upto km:

Which of the following is not a secondary pollutant

Splitting of spectral lines when atoms are subjected to strong electric field is called:

Alkali metals react viotlently with halogens:

Ozone layer is

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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

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maryam

Alishba

Alishba

In the atmosphere, O₂is about

What is the morality of a solution containing 15g of urea is 500cm³ of solution?