Chemistry MCQs

Page No. 72

Which of the following is an example of liquid in gas solution?


aOpals

✖


bDust particles in smoke

✖


cPaints

✖


dFog

✓


View Answer Fog

Which of the following solutions of H2SO4 is more concentrated ?


a1 Molar solution

✓


b1 Molal solution

✖


c1 Normal solution

✖


dall have same concentration

✖


View Answer 1 Molar solution

Ozone hole is substantial depletion of ozone in every year during__________________?


aAug – Nov

✖


bSep – Nov

✓


cNov – Dec

✖


dDec - Jan

✖


View Answer Sep – Nov

Which of the following is used as water disinfectant to avoid the formation of toxic compounds_________________?


aCl2

✖


bO3

✖


cClO2

✖


dBoth B and C

✓


View Answer Both B and C

Chlorination of water may be harmful if the water contains_________________?


aAmmonia

✓


bDissolved oxygen

✖


cCarbon dioxide

✖


dAll

✖


View Answer Ammonia

A single chlorine free radical can destroy how many ozone molecules ?


a10

✖


b100

✖


c10000

✖


d100000

✓


View Answer 100000

Which of the following factors help to measure quallity of water ?


aDO

✖


bBOD

✖


cCOD

✖


dAll of the above

✓


View Answer All of the above

Which of the following gases is the main cause of acid rain ?


aCO

✖


bNO2

✓


cBoth A and B

✖


dNone of the above

✖


View Answer NO2

Which of the following is not primary pollutant__________________?


aSO3

✖


bCO

✖


cNO

✖


dH2SO4

✓


View Answer H2SO4

The yellow colour in photochemical smog is due to presence of__________________?


adinitrogen dioxide

✖


bnitrogen dioxide

✓


cchlorine gas

✖


dchlorine dioxide

✖


View Answer nitrogen dioxide

Goto Page No.

Page 72 of 119

Alphabetical MCQs Categories
—

Here below You find all kind of categories of MCQs in alphabetical order.


"Comprehensive Collection of MCQs: Alphabetically Organized by Subject"
—

"Discover an extensive collection of multiple-choice questions (MCQs) neatly categorized by subject from A to Z. This resource is designed for anyone eager to explore various topics in a straightforward and organized manner. Whether you're a student preparing for exams, an educator seeking supplementary materials, or simply curious about different subjects, this compilation offers a convenient way to learn and assess your knowledge. With questions arranged alphabetically, navigation is effortless, allowing you to delve into subjects of interest at your own pace. Engage, learn, and expand your understanding with this accessible and comprehensive repository of MCQs!"


BolPakistan

bolpakistan.com.pk includes Job Mcqs and Pak Mcqs is the Top Largest Mcqs Forum in World, in which you can read Mcqs of All Subjects, PPSC test preparation, FPSC, NTS and PPSC PAST PAPERS, PPSC PAST MCQS. A Collection of Repeated MCQs for JOBs seekers.

Copyright © 2024, Designed & Developed by BolPakistan