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

Sr. # Questions Answers Choice
1 The smog which have high contents of SO2 in it, is called.
  • A. Reducing smog
  • B. Oxidizing smog
  • C. Natural smog
  • D. Neutral smog
2 The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.
  • A. KMnO4
  • B. O3
  • C. Alum
  • D. Chloramines
3 Thickness of the atmosphere is
  • A. 100 km
  • B. 500 km
  • C. 1000 km
  • D. 1500 km
4 The region of earth capable of supposing life is called.
  • A. Atmosphere
  • B. Bisphere
  • C. Dithosphere
  • D. Hydrosphere
5 Photochemical smog mainly consist of
  • A. Higher hydrocarbons
  • B. Oxidising agnts
  • C. Reducing agent
  • D. All of these
6 Water will be considered polluted if it has dissolved oxygen.
  • A. 3ppm
  • B. 4ppm
  • C. 5ppm
  • D. 6 ppm
7 A single chloride free radical can destroy how many ozone molecules.
  • A. 100
  • B. 100000
  • C. 10000
  • D. 10
8 Water is disinfected by a substance to avoid toxification
  • A. KMnO<sub>4</sub>
  • B. Alums
  • C. O<sub>3</sub>
  • D. Cl<sub>2</sub>
9 Peroxyacetyl nitrate is an irritant to humab beings and it affects
  • A. Eyes
  • B. Ears
  • C. Stomach
  • D. Nose
10 In purification of potable water the coagulant used is
  • A. Nickel sulphate
  • B. Copper sulphate
  • C. Barium sulphate
  • D. Alum

Top Scorers of Chemistry Fsc Part 2 Chapter 16 Online Test

K

Khola Masood Khan

Lahore29 - Mar - 2024

17/17
42 Sec
N

Naeem Naeem

Lahore13 - Apr - 2024

17/17
45 Sec
A

Awais Isbah

Lahore18 - Apr - 2024

17/17
57 Sec
M

Mudasir Waseer

Lahore19 - Apr - 2024

17/17
01 Mins 14 Sec
M

Mudasir Waseer

Lahore15 - Apr - 2024

17/17
01 Mins 18 Sec
K

Khola Masood Khan

Lahore24 - Feb - 2024

17/17
01 Mins 22 Sec
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Hanan Akram Gujjar

Lahore23 - Jan - 2024

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01 Mins 25 Sec
M

Muaaz Ahmed

Lahore15 - Mar - 2024

17/17
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Hunaina Kanzul

Lahore19 - Apr - 2024

17/17
02 Mins 15 Sec
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Hunaina Kanzul

Lahore19 - Apr - 2024

17/17
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Muhammad Khursheed

Lahore11 - Apr - 2024

17/17
03 Mins 51 Sec
K

Kashaf Khan

Lahore16 - Apr - 2024

17/17
07 Mins 38 Sec
Y

Yousaf Ansari

Lahore19 - Apr - 2024

16/17
45 Sec
N

Naeem Naeem

Lahore13 - Apr - 2024

16/17
46 Sec
N

Naeem Naeem

Lahore13 - Apr - 2024

16/17
52 Sec

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