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	What is the cause of water pollution	A. Chemical and bacterial constants in live stock B. The spilled oil in rivers and ponds C. Wide spreads used of pesticides D. All of these
2	The temperature in the incineration of industrial and hazardons waster process had a range	A. 950 to 1300°C B. 500 to 900°C C. 250 to 500°C D. 900 to 1000°C
3	Which is property of CO?	A. Soluble in water B. Insoluble in water C. No toxic D. Pole coloured
4	During incineration temperature range of non-rotating chamber is	A. 900-1000C° B. 650-1100C° C. 950-1300C° D. 700-900C°
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	The film forming components of paints are	A. resins B. thinners C. pigments D. driers
7	NO and NO₂gases in atmosphere are represented by	A. NO B. NO₄ C. NO_x D. N_xO_y
8	Lanthanides an actinides belong to following group of periodic table:	A. IB B. VIIIB C. IIB D. IIIB
9	Transportation causes to produce CO₂ in atmosphere:	A. 72% B. 73% C. 74% D. 75%
10	Lithosphere has amount of silicon	A. 35.30% B. 27.72% C. 40.01% D. 21.13%

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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

Augus smith discovered in the mid of seventeenth century:

Chloroform is carcinogenic:

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

Synthetic organic pesticides formulated nowadays are more then:

Forms of waste products:

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

Fresh water of total earth water is:

Photo chemical smog contains ______ as main reactants

The ozone depletion in the stratophere is mainly due to the reaction of ozone with

Amount of ozone in atmosphere is expressed in units:

Ph of unpolluted rain water is

Oceans cove ____________ percent of the surface of the earth

Water is made disinfectant during purification of water to the step:

How much pesticides have been synthesized at present?

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

The semi solid wastes in landfills is called:

The rigid rocky part of earth crust called lithosphere extends upto a depth of:

Coagulation removes suspended particles in ran water:

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

Lithosphere has amount of silicon

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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