Directions How to Answer

Aptitude Test Topic: Chemistry

Chemistry test evaluate test taker's in-depth understanding of the subject.

Directions

The following are questions of Chemistry. Select the correct option to represent your answer.

To give the answer click/tap the option alphabet for your answer choice. for correct answer green check and for wrong answer a red cross will appear along with a button to show explanation with or without video of the question answer.

Chemistry: All Topics Practice MCQ

Question Statement:

If the graphic representation of the energy levels of the reactants and products in a chemical reaction looks like this:

I. The activation energy for the forward reaction is represented by the “a” portion.
II. The activation energy for the forward reaction is represented by the “b” portion of the graph.
III. The “a” portion is the energy given off in the forward reaction.

I only

II only

I and III only

II and III only

Explanation:

Correct Answer: A

(A) In the diagram part of question 23 “a” is the activation energy for the forward reaction. The sum of “a” and “b” is the activation energy for the reverse reaction, and “b” alone is the energy given off by the forward reaction.

Question: 10 Test: 5 of 15 Next Test

Tests

You are taking Aptitude Test No. 5

Each aptitude test is comprised of 10 except the last test which might have fewer than 10 in some topics.

You are at question (MCQ) number 10 and Test Number 5 of Chemistry: All topics. To deal with Chemistry questions, you must take lesson on the subject. In case of science and Art subjects revise your text books and in case of general aptitude topics take lessons from the topic page.

The question: If the graphic representation of the energy levels of the reactants and products in a chemical react .... with options: I only , II only , I and III only , II and III only can be solved with the concepts and understanding of Chemistry.