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	Which is not the condition for the formation of smog	A. there must be sufficient NO gas B. there must be sunlight to help photo chemical reactions to take place C. air must be blowing swifty D. there must be SO₂in the air
2	The pH rain of acid rain is	A. 8 - 7 B. 7 - 6.5 C. 6.5 - 6 D. less than 5
3	Water is purified by the process:	A. Aeration B. Coagulation C. Chlorination D. All of these
4	The pH range of acid rain is?	A. 7-6.5 B. 6.5-6 C. 6-5.6 D. Less than 5
5	Fresh water of total earth water is:	A. 1% B. 2% C. 3% D. 4%
6	Components of environment is (in km) around the earth:	A. 10 km B. 100 km C. 1000 km D. 1500 km
7	The main pollution of leather tanneries in the waste is due to the salt of	A. Chromium B. Copper C. Chromium D. Lead
8	How much pesticides have been synthesized at present?	A. Four thousand B. Six thousand C. Eight thousand D. Ten thousand
9	Pan is an irritant to human beings and it affects	A. Eyes B. Nose C. Hair D. Skin
10	A single free chlorine redical can destroy ozone molecules upto:	A. 100000 B. 100 C. 1000 D. 10000

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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 gases are produced from landfills?

Coagulation in the purification of water is carried out by

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

Contaminated soil can be cleaned by various methods. Which method is not used to clean the soil

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

Hydrosphere covers the surface of erath:

0.1M HCI having pH =1.0 it is about 100 time stronger than acetic acid what will be the pH of acetic acid:

The cause of minamata disease is the pollution of

Half of the mass of atmosphere is concentrated above earth at the hieght of

Detergents are surfactants and they reduce the

A single chloride free radical of CFCs can destroy upto ozone molecules:

In big/metropolitan cities, atmosphere is mostly polluted due to

It is a biodegradable pollutant

The pH range of acid rain is?

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

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

Water cover earth surface more than:

Ecology is a science of environment and deals specially with

Test of incomplete combustion of petrol in the presence of

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

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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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