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16th Chapter

12th Class Chemistry Chapter 16 Test

Here you can prepare 12th Class Chemistry Chapter 16 Environment Chemistry Test. Click the button for 100% free full practice test.

Second Year Chemistry Chapter 16 Online MCQ Test for 2nd Year Chemistry Chapter 16 Environment Chemistry Preparation

This online test contains MCQs about following topics:.

- Introduction - Types of Polution - Factors Affecting the Quality of Water - Solid Waste Management

FSC Part 2 Chemistry Ch 16 Test
ic

Second Year Chemistry Chapter 16 Online MCQ Test for 2nd Year Chemistry Chapter 16 Environment Chemistry Preparation

Sr. # Questions Answers Choice
1 A single chloride free radical can destroy how many ozone molecules.
  • A. 100
  • B. 100000
  • C. 10000
  • D. 10
2 Thickness of atmosphere is about how much kilometer above the surface of warth
  • A. 100 km
  • B. 1000 km
  • C. 10,000 km
  • D. unlimited
3 How much fresh water is used for domestic purpose
  • A. 8%
  • B. 23%
  • C. 69%
  • D. 100%
4 In water the concentration of dissolved O<sub>2</sub>should be
  • A. 1-3 ppm
  • B. 2-4 ppm
  • C. 4-8 ppm
  • D. 8-12 ppm
5 In purification of potable water the coagulant used is
  • A. Nickel sulphate
  • B. Copper sulphate
  • C. Barium sulphate
  • D. Alum
6 The thickness of ozone layer is.
  • A. 25 to 50 km
  • B. 25 to 28 km
  • C. 3 km only
  • D. 1 km only
7 Ozone is mostly produced in
  • A. Tropical region
  • B. North polar region
  • C. South polar region
  • D. Thermosphere zone of atmosphere
8 The pH of unpolluted rain water should be
  • A. 5.00
  • B. 5.60
  • C. 6.50
  • D. 7.00
9 The main pollutant of leather tanneries in the waste water is due to
  • A. Lead
  • B. Chromium VI
  • C. Copper
  • D. Chromium III
10 Peroxyacetylnitrate (PAN) is an irritant to human beings and it affects
  • A. eyes
  • B. ears
  • C. stomach
  • D. nose

Top Scorers of Chemistry Fsc Part 2 Chapter 16 Online Test

H

Huda Farooq

Lahore01 - Apr - 2023

17/17
43 Sec
M

Mohandis

Lahore12 - Mar - 2023

17/17
48 Sec
H

Huda Farooq

Lahore01 - Apr - 2023

17/17
50 Sec
A

Ahsan Mehmood

Lahore18 - May - 2023

17/17
51 Sec
M

Muhammad Anwar

Lahore19 - Mar - 2023

17/17
01 Mins
S

Sana Sana

Sahiwal25 - May - 2023

17/17
01 Mins 02 Sec
J

Jawad Khan

Lahore13 - Mar - 2023

17/17
01 Mins 14 Sec
S

Sana Sana

Sahiwal25 - May - 2023

17/17
01 Mins 21 Sec
R

Rana Abdullah

Lahore25 - Mar - 2023

17/17
01 Mins 52 Sec
Z

Zainab

Lahore23 - May - 2023

17/17
10 Mins 50 Sec
H

Hamza Abid

Abbottabad26 - Apr - 2023

17/17
10 Mins 50 Sec
M

Mohandis

Lahore12 - Mar - 2023

16/17
48 Sec
H

Huda Farooq

Lahore01 - Apr - 2023

16/17
56 Sec
H

Huda Farooq

Lahore01 - Apr - 2023

16/17
59 Sec
S

Sana Sana

Sahiwal25 - May - 2023

16/17
01 Mins 04 Sec

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  • F

    Fiza Ijaz

    10 May 2018

    i got 17/17 marks in18 seconds

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    Nabeel

    15 Mar 2018

    1st mine position..

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    06 Mar 2018

    My 1st time

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