Which of the following is not primary pollutant__________________?
A. SO3
B. CO
C. NO
D. H2SO4
Submitted by :- Jamil Ahmed
CHEMISTRY
Prepare for your upcoming test with a comprehensive collection of Chemistry multiple-choice questions (MCQs), ranging from basic to advanced topics. These Chemistry MCQs cover various sections of the subject, providing you with valuable practice and boosting your chances of scoring well in the Chemistry portion of the test. Whether you’re a student or a job seeker preparing for exams, these MCQs will prove beneficial for your test preparation.
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The yellow colour in photochemical smog is due to presence of_______?
A. dinitrogen oxide C. chlorine gas
B. nitrogen dioxide D. chlorine dioxide
Submitted by :- Jamil Ahmed
Major cause of SO2 on global scale is__________________?
A. volcanoes
B. electric sparks
C. combustion
D. all
Submitted by :- Jamil Ahmed
Which of the following is not a secondary pollutant_________________?
Pollutants have adverse effect over_________________?
A. Biosphere
B. Ecosystem
C. Both a & b
D. Hydrosphere
Submitted by :- Jamil Ahmed
The main product of bacterial action is_________________?
A. Nox
B. NO2
C. N2O3
D. NO
Submitted by :- Jamil Ahmed
Which one of the following makes the bulk of hydrosphere content ?
a. oceans
B. glaciers & icecaps
C. fresh water lakes and ponds
D. All have equal distribution
Submitted by :- Jamil Ahmed
When common salt is dissolved in water ?
a. Boiling point of water decrease
B. Boiling point of water increase
C. Boiling point of water remains same
D. None of the above
Submitted by :- Jamil Ahmed
Which of the following are the conditions of colligative properties_______________?
A. Non-electrolyte solute
B. Non-volatile solute
C. Dilute solution
D. All of the above
Submitted by :- Jamil Ahmed
Which of the following is an example of liquid in gas solution?
A. Opals
B. Dust particles in smoke
C. Paints
D. Fog
Submitted by :- Jamil Ahmed