ECAT Pre Engineering Chemistry Chapter 27 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 27 Environmental Chemistry

Try The MCQ's Test For ECAT Chemistry Chapter 27 Environmental Chemistry

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 27 Environmental Chemistry

00:00
Question # 1

Ground and surface waters are contaminated and become polluted due to the human activity. Which human activity will bot cause water pollution

Question # 2

Oceans cove ______ percent of the surface of the earth

Question # 3

Air pollution is not caused by

Question # 4

Chloroflurocarbon releases a chemical harmful to ozone

Question # 5

Chief air pollutant which is likely to deplete ozone layer

Question # 6

Ecology is a science of environment and deals specially with

Question # 7

Which of the following is not an air

Question # 8

Which heavy metals do not have any safe limits

Question # 9

The normal amount of overhead ozone is about

Question # 10

The pH range of the acid rain is

Question # 11

Acid rain is caused when various atmospheric gases dissolve in rain water. What are the gases that cause rain water

Question # 12

The film forming components of paints are

Question # 13

In water the most important oxidizing agent is dissolved molecular oxygen which ranges from

Question # 14

SO2Makes ______ acid rains

Question # 15

Biodegradable pollutant is

Question # 16

Acid rains are produced by

Question # 17

Atmosphere of big/metropolitan cities is polluted most by

Question # 18

Ozone hole is maximum over

Question # 19

The amount of oxygen in the lithosphere is about

Question # 20

Chromium (VI) is highly toxic and can cause

Question # 21

Which causes water pollution?

Question # 22

Which is not the condition for the formation of smog

Question # 23

Soil remediation means

Question # 24

Shahi Qilla may be destroyed by

Question # 25

UV radiations bring about

Question # 26

Swage water is purified by

Question # 27

When rain is accompanied by a thunderstorm, the collected rain water will have a pH value

Question # 28

Cyclone collector is used for minimizing

Question # 29

Domestic waste mostly constitutes

Question # 30

Ecosystem is a smaller unit of

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 27 Environmental Chemistry MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 27 Environmental Chemistry MCQ`s Test

  • F
    Farzand Shah Farzand Shah 10 - Apr - 2024 03 Min 00 Sec 120/120
  • T
    Tanzeel Ur Rehman 28 - May - 2024 04 Min 15 Sec 115/120
  • M
    M Umer Arain 24 - Dec - 2024 00 Min 04 Sec 110/120
  • A
    Alyna Fatima 25 - Mar - 2024 03 Min 12 Sec 110/120
  • S
    Sarosh Amjad 21 - Jan - 2025 03 Min 44 Sec 110/120
  • A
    Abid Ali 19 - May - 2024 10 Min 33 Sec 110/120
  • A
    Alyna Fatima 25 - Mar - 2024 03 Min 28 Sec 105/120
  • Z
    Zaman Shehzad 24 - May - 2024 09 Min 53 Sec 95/120
  • M
    Muhammad Uzair 05 - Jun - 2024 03 Min 33 Sec 90/120
  • A
    Azeema Siddique Muhammad Siddique 13 - Mar - 2024 04 Min 24 Sec 90/120
  • Z
    Zargaii 92 29 - May - 2024 06 Min 59 Sec 90/120
  • C
    Cricket Expert's 27 - May - 2024 03 Min 01 Sec 85/120
  • M
    Muhammad Saleem 06 - Dec - 2024 13 Min 11 Sec 85/120
  • T
    tayyab ali 20 - May - 2024 19 Min 22 Sec 80/120
  • C
    Computer mail 10 - Feb - 2026 07 Min 01 Sec 76/120

ECAT Chemistry Chapter 27 Important MCQ's

Sr.# Question Answer
1 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 reaction to take place
C. Air must be blowing swiftly
D. There must be SO2in the air
2 Spraying of DDT produces pollution of
A. Air
B. Air and water
C. Air and soil
D. Air, water and soil
3 Environmental pollution affects
A. Biotic components
B. Plants only
C. Man only
D. Biotic and abiotic components of environment
4 One of the environmental problem is the formation of oil slicks when oil is spilled from tankers in sea water. Which treatment is suitable to remove oil slicks
A. Blow air
B. Add Na2CO3
C. Use a specially made sorbent having flouring trapped in it
D. Use a sorbent having Al2O3trapped in it
5 The largest item which is recycled is
A. Newspaper
B. Plastic
C. Aluminium
D. Oil
6 Carbon monoxide is pollutant as it
A. Inactivates nerves
B. Inhibits glycolysis
C. Combines with oxygen
D. Combines with hemoglobin
7 Ozone hole is maximum over
A. Europe
B. Antarctica
C. Asia
D. Africa
8 Burning of fossil fuels is the main source of pollution
A. Nitrogen oxide
B. Nitric oxide
C. Nitrous oxide
D. Sulphur dioxide
9 Which one is the most toxic?
A. Carbon
B. CO
C. CO2
D. SO2
10 Atomospheric pollutant is
A. CO2
B. CO
C. O2
D. N2

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!