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	The eleventh concentration of metal cause clogs of gills in fish:	A. Al B. He C. Pb D. Ca
2	The pH range of acid rain is?	A. 7-6.5 B. 6.5-6 C. 6-5.6 D. Less than 5
3	Incineration is a process in which solid waste is burned at high temperature ranging from	A. 500 to 600°C B. 900 to 1000°C C. 1000 to 1100°C D. 600 to 700°C
4	Term ozone hole is used for depletion of ozone during months of:	A. Jan-Feb B. March - Sep C. Sep- Nov D. Dec-Feb
5	Augus smith discovered in the mid of seventeenth century:	A. acid B. Base C. Acid rain D. Fertilizer
6	During thunderstorms, water dissolves	A. Dust particles B. HCl C. Nitric acid D. Clouds
7	CFCs are mainly used in industries due to	A. Low cost B. Gaseous nature C. High reactivity D. Un stability
8	alum or aluminium sulphate used as coagulant in alkaline medium change into precipitate of radicals of alumimium.	A. sulphates B. oxides C. hydroxides D. chlorides
9	Proxy acetyl nitrate (PAN) is an irritant to human beings and it affect	A. Nose B. Stomach C. Eyes D. Ears
10	The Catalyst used in the contact tower for the manufacture of H₂SO₄ is easily poisoned by:	A. Nitrous oxide B. Nitrogen gas C. Arsenic oxide D. Carbon dioxide

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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

Diseases like dysentery, typhoid and hepatitis are caused by mixing of in water:

A single chloride free redical can destroy bow many ozene molecules?

Water cover earth surface more than:

Which not a method for solid waste management>

Which one of the pollutants of automobile exhausts affects the nervous system or produces mental diseases

BOD is the oxygen demand with in day(s):

Ozone is produced in regions:

Property due to which water acts as a universal solvent is

Poisoning of CO can be reveresed by giving oxygen at pressure:

A single free chlorine redical can destroy ozone molecules upto:

The force which hold the atoms together to form a compound is called:

Global warming is mainly caused by ______ radiations

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

The normal amount of overhead ozone is

The most important pesticides are:

In Purification of potable water the coagulant used is

Which is the following is true about galvanic cell:

Contamination of Hg comes into surface water from chlor industrial wastes. Why is Hg Toxic.

The main pollution of leather tanneries in the waste is due to the salt of

Density of water becomes maximum at

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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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