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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MCAT Chemistry Chapter 21 Important MCQ's

Sr.#	Question	Answer
1	The region of earth capable of supporting life is	A. Hydrosphere B. Lithosphere C. Biosphere D. Atmosphere
2	Coal contains percentage of sulphur:	A. 1-9% B. 5-9% C. 6-9% D. 7-9%
3	Components of environment is (in km) around the earth:	A. 10 km B. 100 km C. 1000 km D. 1500 km
4	To purify water which has mud dissolved in it, a substance which coagulates the suspended particles is used. The coagulant may be	A. Ag⁺ B. Cu²⁺ C. Al³⁺ D. Si⁴⁺
5	Newspapers can be recycled again and again by how many times	A. 5 B. 2 C. 4 D. 3
6	Ozone is an allotropic form of:	A. Carbon B. Phosphorus C. Oxygen D. Sulfur
7	What is component of environment?	A. Atmosphere B. Hydrosphere C. Lithosphere D. All of these
8	The temperature of in the incineration of industrial and hazardous waste process has range	A. 900 - 1000°C B. 250 - 500°C C. 950 - 1300°C D. 500 - 900°C
9	How can heavy metal contamination like the presence of Hg or Pb may be removed from the soil	A. by using water spray B. by blowing air C. by treating with EDTA and then flushing the heavy metal complex out of the soil D. by adding CaO
10	Choose the chief air pollutant among the following which depletes ozone layer	A. Carbon monoxide B. Carbon dioxide C. Chloroflurocarbons and nitrogen oxides D. Sulphur 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

Primary pollutants are:

Ozone is produced in regions:

alum or aluminium sulphate used as coagulant in alkaline medium change into precipitate of radicals of alumimium.

Photo chemical smog contains ______ as main reactants

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

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

Petroleum or crude oil is a complex mixture of compounds mainly:

Boron, aluminium, gallium, indium and thallium belong to group lll-A of the periodic table show a decrease with increasing relative atomic mass:

The scope of environmental chemistry is to study:

Smaller unit of biosphere is:

Nitrogen percentage in atmosphere is:

During thunderstorms, water dissolves

A large hole in the ozone layer over antarctica region was discovered in:

DDT is a:

Forms of waste products:

Surface and ground water sources are contaminated by various human activities which of the followings is not a human activity that causes contamination in fresh water

Pan is an irritant to human beings and it affects

Newspaper can be recycled again and again by how many times?

Ozone acts as:

Chlorofluorocarbons and aerosols are inert in sphere:

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

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Set 15

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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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