MDCAT Chemistry Chapter 21 MCQ Test With Answer for (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.

MCQ's Test For MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test

Try The MCQ's Test For MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test

  • Total Questions20

  • Time Allowed20

MDCAT Chemistry Chapter 21 Environmental Chemistry Online Test

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Question # 1

Ozone is a gas having boiling point

Question # 2

The morality of the solution containing x grams ammonium sulfate in 500cm3 of the solution is 0.6 what is x?

Question # 3

The reason of acid rains is

Question # 4

Which gas produces air pollution?

Question # 5

Commonly used coagulants are ions of:

Question # 6

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

Question # 7

BOD means

Question # 8

Requirement of macronutrient per acre of the land is

Question # 9

Water in swimming pools is purified by adding

Question # 10

Oceans cove ____________ percent of the surface of the earth

Question # 11

The main pollutant of leather in the waste water is due to the salt of:

Question # 12

Which of the following substance is not present in acid rain?

Question # 13

Coagulation in the purification of water is carried out by

Question # 14

Chlorofluorocarbons and aerosols are inert in sphere:

Question # 15

Atmosphere consists of gasses:

Question # 16

Oceans, rivers, streams, leaks, polar ice caps, glaciers and group water reservoirs are included in

Question # 17

Biochemical oxygen demand (BOD) is the capacity of organic matter in natural water to consume oxygen with in a period of

Question # 18

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

Question # 19

Electropositive character increases down the groups due to:

Question # 20

The scope of environmental chemistry is to study:

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


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MCAT Chemistry Chapter 21 Important MCQ's

Sr.# Question Answer
1 Chloroform is carcinogenic:
A. Heart
B. Lungs
C. Liver
D. Kidney
2 Water bodies are included in:
A. Atmosphere
B. Hydrosphere
C. Lithosphere
D. All of these
3 Site of land for landfill is selected based upon.
A. topography
B. location of ground
C. water table
D. All of these
4 Part of fresh water consumed in domestic purpose:
A. 1%
B. 2%
C. 69%
D. 8%
5 An excellent source of energy without causing pollution is
A. Fossil fuel
B. Sun
C. Petroleum
D. Nuclear reactor
6 The layer of earth around the earth is called:
A. Atmosphere
B. Hydrosphere
C. Lithosphere
D. Biosphere
7 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
8 CFCs are mainly used in industries due to
A. Low cost
B. Gaseous nature
C. High reactivity
D. Un stability
9 Coal contains sulphur in it:
A. 1-3%
B. 1-6%
C. 1-9%
D. 1-12%
10 Which one of the following is an organic compound?
A. Calcium carbide
B. Calcium cyanide
C. Carbon disulphide
D. None of these 

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  • maryam

    maryam

    29 Jul 2019

    all answers given are wrong

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  • Alishba

    Alishba

    15 Feb 2019

    The mcqs are not according to syllaybs

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  • Alishba

    Alishba

    15 Feb 2019

    The mcqs are not according to syllaybs

    Like
    Reply