16th Chapter

FSC Part 2 Chemistry Chapter 16 Online Test MCQ's

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

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

Sr. # Questions Answers Choice
1 The residence time of NO is
  • A. Few hours
  • B. 1 day
  • C. 3 days
  • D. 4 days
2 The avoid the formation of toxic compounds with chlorine which substance is used for disinfecting water
  • A. KMnO<sub>4</sub>
  • B. O<sub>3</sub>
  • C. Alums
  • D. Chloramines
3 The avoid teh formation of toxic compounds with chlorine which substance is used for disinfecting water.
  • A. KMnO4
  • B. O3
  • C. Alum
  • D. Chloramines
4 Ecosystem is smaller unit of
  • A. Lithosphere
  • B. Hydroshpere
  • C. Amosphere
  • D. Biosphere
5 On earth polar ice caps and glacier contains H2O
  • A. 1%
  • B. 2%
  • C. 3%
  • D. 10%
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. 100,000
  • C. 100,00
  • D. unlimited
8 In purification of potable water the coagulant used is
  • A. Nickel sulphate
  • B. Copper sulphate
  • C. Barium sulphate
  • D. Alum
9 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
10 The pH range of the acid rain is.
  • A. 7-6.5
  • B. 6.5-6
  • C. 6-6.5
  • D. Less than 5

Top Scorers of Chemistry Fsc Part 2 Chapter 16 Online Test

A

Areeba Nadeem

Lahore11 - Apr - 2025

17/17
48 Sec
A

Areeba Nadeem

Lahore11 - Apr - 2025

16/17
48 Sec
A

Areeba Nadeem

Lahore11 - Apr - 2025

16/17
48 Sec
M

M Farrukh

Lahore13 - Apr - 2025

16/17
01 Mins 25 Sec
A

Ayesha

Lahore20 - Apr - 2025

16/17
01 Mins 36 Sec
A

Adnan

Lahore21 - Jun - 2025

16/17
01 Mins 48 Sec
H

Hamza Khaleel

Lahore07 - May - 2025

16/17
02 Mins 07 Sec
H

Hamza Khaleel

Lahore07 - May - 2025

16/17
02 Mins 43 Sec
A

Areeba Nadeem

Lahore11 - Apr - 2025

15/17
48 Sec
A

Areeba Nadeem

Lahore11 - Apr - 2025

15/17
48 Sec
A

Abdullah King Mian Tariq

Lahore07 - May - 2025

15/17
01 Mins 35 Sec
A

Ayesha Iftikhar

Lahore09 - Jul - 2025

15/17
01 Mins 59 Sec
N

Nabiha Rehmat

Lahore21 - Apr - 2025

15/17
02 Mins 34 Sec
A

Areeba Nadeem

Lahore11 - Apr - 2025

14/17
48 Sec
A

Areeba Nadeem

Lahore11 - Apr - 2025

14/17
48 Sec

Share your comments questions here
Sort By:
X

Sign in

to continue to ilmkidunya.com

inquiry-image

Free Admission Advice

Fill the form. Our admission consultants will call you with admission options.

X

Sign in

to continue to ilmkidunya.com

X

Sign in

to continue to ilmkidunya.com

X

Forgot Password

to continue to ilmkidunya.com

X

Register Type

Please Provide following information to Register

  • Student
  • Tutor
  • Consultant
  • Employer