General Chemistry Practice Questions with Answers

General Chemistry Practice Questions with Answers
24 votes 4.8

 

1- What is an atom? Give one example of an atom found in the human body.

2- Define an ion.

3- What are covalent bonds and what types of atoms generally form these types of bonds? Give one example.

4- What type of bond is used to from NaCl? How does this type of bond differ from a covalent bond?

5- What type of bond is used to keep one molecule of DNA (one DNA strand) wound in an alpha helix around a second molecule or strand of DNA?

6- Draw two molecules of water and then draw an label the type of bond that holds one molecule to the other.

7- What does Na+ signify?

8- Define electrolyte and give an example of one found in the body. Do any tissues or cells in the body conduct electrical currents? Why?

9- What % of the adult human body weight is made up of protein? What percentage is made up of nucleic acids? What percentage is carbohydrate?

10- What is the name of the following molecule and what is the name of the bond shown with an arrow?

1 12.34.47 PM

11- What does the pH scale measure? If you had a solution with a pH of 6 and another with a pH of 7, which one would have the most hydrogen ions in it?

12- If one were to increase the number of H+ in a solution with a pH of 3 by 10 times, what would the pH of the new solution be?

13- What is the normal pH range for the plasma of the blood in humans? What type of solutions help to keep it in this range?

Can’t find the questions that you need? Post Your Questions