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.

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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	Air pollution causes	A. Acid rain B. O₃ depletion C. Green House Effect D. All
2	Increased awareness of environmental issues has led chemists to develop products and processes that do not impact on the environment in terms of pollution or depletion of sources. To help chemist to achieve this aim, some principles are drawn. Which one is not the guiding principle	A. Avoid waste production B. Use no solvent C. Use a catalyst D. Devise a multistep procedure for synthesis of new compounds
3	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
4	A chemist says that glass must be a super cooled liquid. the reason that he might have in his mind is that glass has:	A. Definite shape B. Definite volume C. Crystalline structure D. No crystalline structure
5	Troposphere extends upto km:	A. 0-15 km B. 10-15 km C. 15-40 km D. 15-40 km
6	Chemical like Al₂(SO₄) or alum are used in purification of water druing step:	A. aeration B. coagulation C. chlorination D. treatment
7	Requirement of macronutrient per acre of the land is	A. 5 to 200 kg B. 20-200 kg C. 200-400 kg D. 30-400 kg
8	During thunderstorms, water dissolves	A. Dust particles B. HCl C. Nitric acid D. Clouds
9	Water is essential for life on	A. Moon B. Space C. Earth D. Sun
10	Alkali metals react viotlently with halogens:	A. Halides B. Anhydrides C. Hydrides D. None of the above

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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

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

Increased awareness of environmental issues has led chemists to develop products and processes that do not impact on the environment in terms of pollution or depletion of sources. To help chemist to achieve this aim, some principles are drawn. Which one is not the guiding principle

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

Cyclone collector is used to reduce

The process of coagulation can remove suspended solids in raw water about

Hardness which can be removed by boiling is called

The concentration of dissolved molecular oxygen in water which acts as the most important oxidizing agent ranges from

Increased awareness of environment issues has led chemist to develop products and processes that do not impact on the environment in terms of pollution or depletion of sources. To help chemist to achieve this aim, some principles are drawn, which one is not the guiding principle

Which of the following does not contribute towards the formation of photochemical smog?

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

Commonly used coagulants are ions of:

Photo chemical smog contains ______ as main reactants

Polar ice caps and glaciers consists total earth water:

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

Fungicides are the pesticides which:

The range of UV-B is:

Ozone is effectively removed by

Biological oxygen demand (BOD) is associated with

How much quantity of total water is available as fresh water

What is the cause of water pollution

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

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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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