Chemistry MCAT Entry Test Unit 9 Solved MCQs

Chemistry MCAT Entry Test Unit 9 Solved MCQs . MCAT Chemistry Unit 9 included answers to multiple choice questions taken from earlier iterations of the MDCAT admissions exam. MDCAT Chemistry Multiple Choice Questions and Answers in PDF Format prepared for the Multiple Choice Questions on Chemistry that will be on the FSC part 1 exam. MDCAT Chemistry Unit 9 Solved MCQs from Past Papers are here to help you prepare for the MDCAT entrance test. Chemistry multiple choice questions and answers with PDF solutions for the MDCAT. Unit 9 of the MDCAT Chemistry test covers a wide range of topics, including organic chemistry, electrochemistry, and thermodynamics. These are the multiple-choice questions for Unit 8:

This lesson is extremely important, not just for the MDCAT exam but also for medical students in general. In order to get yourself ready for the next tests, you may use the PDF document that contains the MDCAT Chemistry Unit 9 Solved MCQs from Past Papers that is offered on this website. The MDCATUSTAD team used the data from the NUMS MDCAT publication from the prior year to build the PDF file that you may download.

Unit 9 of the MCAT Chemistry Solved MCQs:

This page has more multiple-choice questions related to Unit 10. MCQs for Unit 9 of the MCAT Chemistry Test that Have Been Answered, MCQs for Unit 9 of the MCAT Chemistry Test Taken from Practice Exams, and MCQs for Unit 9 of the MCAT Chemistry Test with Answers

1. The pH range of acid rain is
A) 6.5 -6
B) Less than 5
C) 8-7.5
D) 7-6.5
2. Why is CO called as pollutant? Reason is
A) If combines with oxygen
B) it combines with hemoglobin
C) It inactivates glycolysis
D) inactivates nerves
3. The ozone layer can be lowered by using any of the following methods, although the primary method depends on which air source you choose:
A) Co
B) C02
C) CFCs
D) S02
4. CFCs destroy ozone layer. How many ozone molecule a chlorine free radical can destroy?
A) 50000 m
B) 100000
C) 10000
D) 20000
5. The thickness of ozone layer is
A) 25-50km
B) 25-28km
C) 3km only
D) 1 km only

Solved MDCAT Chemistry MCQs:

6. Which adversely affects the human health is
A) Ecosystem
C) Ecosphere
B) Atmosphere
D) Pollutant
7. Primary pollutant is that
A) waste product of an industry
B) Whose concentration cannot be controlled?
C) Which causes cancer
D) Which corrode the metal only
8. Which of the following is considered as cause of pollution:
(A) Rapid increase in population
(B) Transportation
(C) Industrialization
(D) All of the above
9. In which Of the following layer Of atmosphere, there is more thickness Of ozone:
(A) Troposphere
(B) Mesosphere
(C) Stratosphere
(D) Thermosphere
10. Which of the following air pollutants is quiet killer:
(A) C02
(B) N02
(C) Co
(D) N2O4
11. Ecosystem is a smaller unit of:
(A) Lithosphere
(B) Biosphere
(C) Co
(D) N204
12. What is the name for the primary component of a habitat that allows for the development of living organisms?
(A) Atmosphere
(B) Hydrosphere
(C) Lithosphere
(D) Biosphere
13. The third major component of atmosphere is:
(A) N2
(B) 02
C) Ar
(D) C02

MCQs by Unit for the Chemistry Entry Test:

14. The type of contaminants present in leachate is:
(A)Dissolved
(B)Suspended
(C)Microbial
(D)AII
15. Which of the following is a primary pollutant?
(A) H2S04
B) Co
(C) H2C03
D) PAN
17. Ozone is mostly concentrated in;
(A) Troposphere
(B) Stratosphere
(C) Mesosphere
(D) Thermosphere
18. Which component of atmosphere is far away from earth surface?
(a)Thermosphere
(B) Mesosphere
(c)Troposphere
(D) Stratosphere
19. the substance that reacts with blood haemoglobin and has a harmful effect:
(a)Carbon monoxide
(B) Carbon dioxide
(c) Oxygen
(D) Sulphur trioxide
22. Carbon dioxide contents in atmosphere is:
(A) 0.0034%
(B) 0.034%
(C) 0.34%
(D) Groundnut field
23. Which of the following has the most impact on the amount of acid rain that occurs temporarily?
(A) Sulphuric acid
(B) Nitric acid
(C) Carbonic acid
(D) Hydrochloric acid
24. Choose the pollutant that is neither physical nor chemical:
(A) Radiations
(B) Noise
(C) Insecticides
(D) Ozone

Fsc Chemistry MCQs Solved:

25. Green chemistry refers to:
(A) Chemistry of plants
(B) Chemistry of green pigments
(C) Chemical development of less toxic chemical products and processes
(D) Chemistry of greenhouse effect
26. Total thickness of atmosphere is:
(A) 5.6 km
(B) 1000 km
(C) 100
(D) 1500

27. Eutrophication is a process which involves:
(A) Depletion of ozone layer
(B) Increase in concentration of ozone in water
(C) Decrease in concentration of D.O in water by algae
(D) reduction in the air’s S02 concentration
28. The source of energy that does not cause pollution:
(A) Gasoline
(B) Nuclear power plant
(C) Fossil fuels
(D) sun
29. Which is not correct about greenhouse effect?
(A) It results in global warming
(B) One of the principal chemical species responsible for it is CO2
(C)Over time, it causes ocean levels to decline as a result
(D) The greenhouse effect is additionally exacerbated by CH4, 03, and CFCs
30.High mutation rate and rising rates of skin cancer are caused by:
(A) Acid rain
(B) Ozone depletion
(C) CO pollution
(D) C02 pollution
31. Flue gases are generally made free from NOx by:
(A) Mixing them with oxygen
(B) Scrubbing them with H2S04
(C) Passing them through heated platinum plates
(D) Passing them through water

Unit 1 Chemistry Solved MCQs for the MDCAT:

32. Which one is not a secondary pollutant?
(A) Ozone
(B) Aldehyde
(C) Peroxybenzol
(D) Radioactive materials
33. Major cause of SOZ on global scale is:
(A) Volcanoes
(B) Combustion of coal
(C) Fossil fuels in power plants
(D) Chemical industries
34. SOZ and SOJ through various reactions in the atmosphere form:
(A) Sulphur
(B) CFCs
(C) Ozone
(D) Sulphate aerosols

Fsc Chemistry Entry Test MCQs:

35. Which statement is not correct?
(A) Ozone concentrations are higher near the equator
(B) Ozone acts as filter for I-JV radiations
(C) Ozone acts as pollutant in polar regions
(D) CFCs play effective role In removing 03 In the stratosphere
36. Ozone is
(A) a gas having high boiling point
(B) a liquid having low boiling point
(C) a solid having high boiling point
(D) a gas having low boiling point
37. The normal amount of overhead ozone is about
(A) 250DU
(B) 350DU
(C) 200DU
(D) 150DU
38. The range of atmosphere from 25-28km above the head level is called as
(A) Atmosphere
(B) Stratosphere
(C) Troposphere
(D) None of these
39. The residence time Of NO gas in the atmosphere is
(A) 3 days
(B) 4 days
(C) 3-4 days
(D) 3-7 years
40. The residence time of CH4 gas in the atmosphere is
(A) 3 days
(B) 4 days
(C) 3-4 days
(D) 3-7 years

Answer Keys:

1 B    11 B     21 B   31 A
2 B    12 D    22 B   32 D
3 C    13 C    23 D   33 A
4 B    14 D    24 B   34 D
5 B    15 B    25 C    35 C
6 D    16 C    26 C   36 D
7 A     17 B    27 C   37 B
8 D    18 A    28 D  38 B
9 C     19 A    29 D  39 B
10 C   20 A   30 B  40 D

You may find it helpful to obtain a solution along with the MDCAT Chemistry worksheet here.

You May Also Like:

• MDCAT Chemistry MCQs for Unit 1 of the Entry Test with Answers
• Chemistry MCQs MDCAT Unit 2 For Entry Test
• MDCAT Past Papers Chemistry Solved MCQs From Unit 3
• MDCAT Chemistry Past Paper MCQs With Answers Keys Unit 4
• MCAT Chemistry Solved MCQs From Past Papers Chapter 5
• MDCAT Chemistry Entry Test Solved Past Papers Unit 6
• Chemistry MDCAT Entry Test Past Papers MCQs Unit 7 With Answers
• Chemistry MDCAT Entry Test Past Papers Part 1Unit 8