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 scope of environmental chemistry is to study:	A. Source of chemicals B. Transportation of chemicals C. Transportation of toxic chemical D. All of these
2	The temperature in the incineration process has a range:	A. 900 to 1000°C B. 650 to 1100°C C. 950 to 1300°C D. 500 to 900°C
3	Which not a method for solid waste management>	A. Landfill B. Incinerating C. Recycling D. None of these
4	Ozone is a gas having boiling point	A. Unstable B. High C. Low D. Moderate
5	Photo chemical smog contains ______ as main reactants	A. Nitrons oxide and unburnt hydrocarbons B. Nilric oxide and unburnt hydrocarbons C. No and burnt hydrocarbons D. N₂O and burnt hydrocarbons
6	Which is the most toxic among the given?	A. heavy metals B. non-metals C. Metals D. Metalloids
7	Half of the mass of atmosphere is concentrated above earth at the hieght of	A. 40 Km B. 25-28 Km C. 5-6 Km D. 100 Km
8	Global warming is mainly caused by ______ radiations	A. UV B. I.R C. gama D. X-rays
9	Leather tanneries use big auantities of:	A. Cr Vi salts B. Cr III salts C. Mn-salts D. Pb-salts
10	The main pollutant of leather in the waste water is due to the salt of:	A. Lead B. Chromium (VI) C. Copper D. Chromium (III)

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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

In Purification of potable water the coagulant used is

A single chloride free radical can destroy the ozone molecules

Many petroleum products are:

Ozone is present in layer around earth:

Materials suspended in water or present as colloidal form in raw water are removed by:

Components of environment is (in km) around the earth:

Residence time of methane in the atmosphere is

Biological oxygen demand (BOD) is associated with

Amount of ozone in atmosphere is expressed in units:

Transportation causes to produce CO2 in atmosphere:

Surface and ground water sources are contaminated by various human activities. Which of the following is not human activity that causes contamination in fresh water

What is the effect of polluted air on environment

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

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

Which not a method for solid waste management>

Men residence time of methane in atmosphere in years is:

Water is considered pollutant when value of Do is

Which one of the following is an organic compound?

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

Region of earth capable of supporting life is called:

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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Transportation causes to produce CO₂ in atmosphere: