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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Sania Abbas 25 - Jul - 2022 06 Min 13 Sec 16/20
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tahreem fatima 12 - Nov - 2022 00 Min 04 Sec 15/20
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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	How much quantity of total water is available as fresh water	A. 3% B. 1% C. 10% D. 21%
2	0.1M HCI having pH =1.0 it is about 100 time stronger than acetic acid what will be the pH of acetic acid:	A. 0.1 B. 1.3 C. 2 D. 3
3	Transportation causes to produce CO₂ in atmosphere:	A. 72% B. 73% C. 74% D. 75%
4	Ozone is an allotropic form of:	A. Carbon B. Phosphorus C. Oxygen D. Sulfur
5	Coal contains percentage of sulphur:	A. 1-9% B. 5-9% C. 6-9% D. 7-9%
6	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
7	Hard water can block radiators due to formation of	A. Insoluble calcium and magnesium salts B. Insoluble sodium salts C. In soluble phosphate salts D. Insoluble potassium salts
8	SO₂produced by volcanoes is about	A. 75% B. 67% C. 69% D. 70%
9	White marble buildings are effected by?	A. O₂ B. SO₂ C. CI₂ D. CFC_s
10	Which is not the affect of polluted air on environment	A. acid rain B. smog C. ozone D. global warming

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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

Coal contains percentage of sulphur:

The normal amount of overhead ozone is about in DU:

Pathogens in raw water are killed in step:

Chlorination of water is effective for

Insoluble ferric oxide is produced in the pH range:

Chemicals used to kill insects are:

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

Which is used as a coagulant:

Which step is unnecessary for purification of water for drinking purposes

Test of incomplete combustion of petrol in the presence of

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

Materials suspended in water or present as colloidal form in raw water are removed by:

Factors affecting quality of water:

Ozone in most of the tropical regions acts as a pollutant and cause

Hydrosphere includes

Three elements needed for the healthy growth of plants are

The pH range of acid rain is?

Coal contains sulphur in it:

Soil remediation means

The water is considered to be polluted when the concentration of oxygen in it is

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

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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

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