HESI A2 Chemistry (V1 & V2) Actual Exam Question and correct Answers (100% VERIFIED)| 2025/2026

HESI A2 Chemistry (V1 & V2)
1. What is 0°K equal to in Celsius?

A. -100°C

B. -273°C

C. 0°C

D. -212°C

Answer: B



2. What are the three types of radiation in nuclear chemistry?

A. alpha, beta, delta

B. alpha, gamma, omega

C. alpha, beta, gamma

D. beta, gamma, delta

Answer: C



3. What is a compound that is a hydrogen or proton donor, corrosive to metals, and
causes blue litmus paper to become red?

A. Base

B. Acid

C. Salt

D. Catalyst

Answer: B



4. Which type of radiation can be stopped by a piece of paper?

A. Beta radiation

, B. Gamma radiation

C. Alpha radiation

D. Delta radiation

Answer: C



5. What is the pH value of an acid?

A. Greater than 7.0

B. Equal to 7.0

C. Less than 7.0

D. Between 7.0 and 14.0

Answer: C



6. What is the boiling point of water in Fahrenheit?

A. 100°F

B. 212°F

C. 98.6°F

D. 32°F

Answer: B



7. How many amino acids are essential for human life?

A. 10

B. 15

C. 20

D. 25

Answer: C