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:

Acidic amino acids have

2 amino groups and 1 carboxylic group

1 amino and 1 carboxylic groups

2 carboxylic groups and 1 amino group

2 amino and 2 carboxylic groups

Explanation:

Correct Answer: C

Those amino acids have acidic side chains at neutral pH. These are aspartic acid or aspartate (Asp) and glutamic acid or glutamate (Glu). Their side chains have carboxylic acid groups whose pKa's are low enough to lose protons, becoming negatively charged in the process

Question: 5 Test: 1 of 15 Next Test

Tests

You are taking Aptitude Test No. 1

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 5 and Test Number 1 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: Acidic amino acids have .... with options: 2 amino groups and 1 carboxylic group , 1 amino and 1 carboxylic groups , 2 carboxylic groups and 1 amino group , 2 amino and 2 carboxylic groups can be solved with the concepts and understanding of Chemistry.