Skip to content

Home
Quiz
All MCQs
Aptitude
Art
Computer
Engineering
English
Physics MCQs
Chemistry
Biology
General Knowledge
Everyday Science

91. Which of the following is not a secondary pollutant

September 17, 2025 by Admin

A. Ozone

B. Carbonic acid

C. Sulphuric acid

D. Carbon dioxide

✅ The correct answer is option D.

Categories Chemistry, Environmental Chemistry MCQs Tags Chemistry MCQs, Environmental Chemistry MCQs

88. Three elements needed for the healthy growth of plants are

94. The residence time of methane in the atmosphere is

Leave a Comment Cancel reply

Comment

Name Email Website

Save my name, email, and website in this browser for the next time I comment.

Notify me of follow-up comments by email.

Notify me of new posts by email.

Δ

GetMCQs:

GetMCQs:

Search

Arts Subjects MCQs
Aptitude MCQs
Biology
Chemistry
English
Everyday Science
General Knowledge
Pedagogy
Psychology
Physics
Punjab Public Service Commission (PPSC) - Past Papers
Sociology

Chemical Engineering
Civil Engineering
Environmental Engineering
Mechanical Engineering
Software Engineering
Electrical Engineering

All Computer MCQs
Basics of Computer Science
Operating System
MS Word
MS Excel
MS PowerPoint

MCQs

Antonyms MCQs Art Basic Chemical Engineering MCQs Basic General Knowledge MCQs Basics of Computer Science MCQs Chemical Engineering Chemical Process MCQs Civil Engineering Civil Engineering Mcqs MCQs Common Error Detection MCQs Computer Costing Engineering English Environmental Science MCQs Everyday Science MCQs Financial Management Fluid Mechanics MCQs General Anatomy Mcqs General Knowledge GK Idioms And Phrases MCQs Insurance International Finance and Treasury MCQs Islamic Studies Machine Design MCQs Management Mass Transfer MCQs Mechanical Engineering Medical Microbiology MCQs MS Office One Word Substitution MCQs Operating System Physiology Mcqs PPSC Past Papers Related Pair of Words MCQs Sentence Completion MCQs Software Engineering MCQs Sports MCQs SSC Synonyms MCQs Theory of machines MCQs Thermodynamics MCQs UPSC

© 2026 GetMCQs • Built with GeneratePress