Basic Chemistry MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Basic Chemistry, a fundamental topic in the field of Chemistry. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Basic Chemistry MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Basic Chemistry mcq questions that explore various aspects of Basic Chemistry problems. Each MCQ is crafted to challenge your understanding of Basic Chemistry principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Chemistry tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Basic Chemistry MCQs are your pathway to success in mastering this essential Chemistry topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Basic Chemistry. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Basic Chemistry knowledge to the test? Let's get started with our carefully curated MCQs!

Basic Chemistry MCQs | Page 35 of 45

Q341.
Term ozone hole is used for depletion of ozone during months of
Discuss
Answer: (c).Sep - Nov
Q342.
The largest recycled item is
Discuss
Answer: (a).Newspaper
Q343.
The main source of air pollution is
Discuss
Answer: (d).All of above
Q344.
Eleven elements made part of earth mass
Discuss
Answer: (c).99.50%
Q345.
The amount of argon in the atmosphere
Discuss
Answer: (c).0.90%
Q346.
Half of the mass of atmosphere is present in lower part of it in
Discuss
Answer: (d).5.6 km
Q347.
Water is made disinfectant during purification of water in the step
Discuss
Answer: (c).Chlorination
Q348.
The waste products are given out from chimneys, automobiles produce pollution
Discuss
Answer: (d).Air pollution
Q349.
The elevated concentration of metals causes clogs of gills in fish
Discuss
Answer: (a).Al
Q350.
Reducing smog contains
Discuss
Answer: (b).CO