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

Q151.
The quantity of heat q is evolved or absorbed during the reaction is given by
Discuss
Answer: (a).m x s x ΔT
Q152.
The amount of heat evolved when one mole of a substance is completely burnt in oxygen is
Discuss
Answer: (a).Enthalpy of combustion
Q153.
Hf of ice is
Discuss
Answer: (c).6KJ/mol
Q154.
In halogens, iodine has biggest size and
Discuss
Answer: (a).Great polarizability
Q155.
The amount of heat absorbed when one mole of gaseous atoms are formed from the element is
Discuss
Answer: (b).Enthalpy of atomization
Q156.
Molar heat of sublimation of iodine is
Discuss
Answer: (c).62.2 KJ/mol
Q157.
The quantity of heat required to change the temperature by 1 Kelvin is called
Discuss
Answer: (b).Heat capacity
Q158.
When heat is absorbed by the system, change in entropy is
Discuss
Answer: (a).Positive
Q159.
When heat flows from one system to another, the net change in entropy is
Discuss
Answer: (a).Increased
Q160.
The efficiency of an electric generator is about
Discuss
Answer: (d).70 - 99 %