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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MCAT Chemistry Chapter 21 Important MCQ's

Sr.#	Question	Answer
1	Elements in lithosphere exist generally as:	A. metals B. non-metals C. metalloids D. minerals
2	How much quantity of water is in the domestic use	A. 0.08% B. 16% C. 24% D. 90%
3	The water is considered to be polluted when the concentration of oxygen in it is	A. 6 - 9ppm B. 6 ppm C. 8 ppm D. Less than 4pm
4	A pollutant affects	A. Human affects B. Quality of life C. Functioning of ecosystem D. All of these
5	Which one of the following is an organic compound?	A. Calcium carbide B. Calcium cyanide C. Carbon disulphide D. None of these
6	Which is used as a coagulant:	A. Ferric salts B. Potash alum C. a and b both D. Chlorine
7	Augus smith discovered in the mid of seventeenth century:	A. acid B. Base C. Acid rain D. Fertilizer
8	Water bodies are included in:	A. Atmosphere B. Hydrosphere C. Lithosphere D. All of these
9	Diseases like dysentery, typhoid and hepatitis are caused by mixing of in water:	A. Live stock wastes B. Oil spilage C. detergents D. pesticides
10	The rigid rocky part of earth crust called lithosphere extends upto a depth of:	A. 10 km B. 100 km C. 1000 km D. 1500 km

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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

During incineration temperature range of non-rotating chamber is

Which is not considered as pollutant

Ecosystem is a smaller unity of

Many petroleum products are:

Ozone is a gas having boiling point

The temperature in the incineration of industrial and hazardons waster process had a range

The normal amount of overhead ozone is

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

Coal contains percentage of sulphur:

Contamination of water of tanning industries is due to:

Ozone is an allotropic form of:

Nitrogen percentage in atmosphere is:

Chemicals used to kill pests are:

Global warming is mainly caused by ______ radiations

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

Coal contains sulphur in it:

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

What is the cause of water pollution

Ozone gas has boiling point:

Chemical equilibrium involving reactants and products in more than one phase 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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