Chemical Energy MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Chemical Energy, 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 Chemical Energy 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 Chemical Energy mcq questions that explore various aspects of Chemical Energy problems. Each MCQ is crafted to challenge your understanding of Chemical Energy 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 Chemical Energy 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 Chemical Energy. 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 Chemical Energy knowledge to the test? Let's get started with our carefully curated MCQs!

Chemical Energy MCQs | Page 16 of 20

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Q151.
When heat is absorbed by the system, change in entropy is
Discuss
Answer: (a).Positive
Q152.
When heat flows from one system to another, the net change in entropy is
Discuss
Answer: (a).Increased
Q153.
The efficiency of an electric generator is about
Discuss
Answer: (d).70 - 99 %
Q154.
The concept of entropy was introduced by
Discuss
Answer: (b).Rudolph Clausius
Q155.
For all real processes where heat transfer occurs, the entropy
Discuss
Answer: (b).Increases
Q156.
A measure of disorder within a macroscopic system is called
Discuss
Answer: (d).Entropy
Q157.
Orbitals having same energy are called
Discuss
Answer: (c).Degenerate orbitals
Q158.
Quantum number values for 3s are
Discuss
Answer: (a).n=3, l=0
Q159.
Cells with a size of the button are used in
Discuss
Answer: (d).heart pacemakers and hearing aids
Q160.
The ordinary dry cells are used in
Discuss
Answer: (d).toys and torches