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HESI A2 · Chemistry · HESI A2 Chemistry Questions

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Showing all 5 practice questions with expert explanatory rationales.

Question 1 of 5

Which of the following elements is a noble gas?

A. Hydrogen

B. Fluorine

C. Argon

D. Nitrogen

Correct Answer: Argon

Question 2 of 5

What is the name of the process by which a gas turns into a liquid?

A. Sublimation

B. Condensation

C. Evaporation

D. Deposition

Correct Answer: Condensation

Question 3 of 5

Which substance has a pH value greater than 7?

A. Water

B. Vinegar

C. Lemon juice

D. Baking soda

Correct Answer: Baking soda

Question 4 of 5

Which of the following is a colligative property of a solution?

A. Freezing point depression

B. Viscosity

C. Surface tension

D. Boiling point elevation

Correct Answer: Freezing point depression

Question 5 of 5

What is another name for aqueous HI?

A. hydroiodic acid

B. hydrogen monoiodide

C. hydrogen iodide

D. hydriodic acid

Correct Answer: hydriodic acid

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