Charles's Law states that at constant pressure:

A Volume and temperature are directly proportional

B Pressure and volume are inversely proportional

C Volume remains constant

D Temperature has no effect on gas

✓ Correct Answer: Option A

Charles's Law: V₁/T₁ = V₂/T₂. As temperature increases, volume increases proportionally at constant pressure.

💡 Why is A) the correct answer?

The correct answer to the question "Charles's Law states that at constant pressure:" is Option A: Volume and temperature are directly proportional.

The other options — B) Pressure and volume are inversely proportional, C) Volume remains constant, D) Temperature has no effect on gas — are incorrect for this ACT Exam Prep question. As explained above: Charles's Law: V₁/T₁ = V₂/T₂. As temperature increases, volume increases proportionally at constant pressure.

📚 About This ACT Exam Prep Practice Question

This 2-level ACT Exam Prep question from the Science topic is part of BrainForge Quiz's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free ACT Exam Prep practice test or use flashcards for spaced repetition review.

Practice ACT Exam Prep Quizzes → Browse All Questions Study Flashcards

Charles's Law states that at constant pressure:

✓ Correct Answer: Option A

📚 About This ACT Exam Prep Practice Question

Related ACT Exam Prep Questions