Question 1
A student heats a mixture of iron filings and sulfur powder. After heating, the resulting substance cannot be separated by a magnet. What type of change occurred?
Correct Answer:
A chemical change because a new substance with different properties formed
Question 2
Which of the following is an intensive property of matter?
Correct Answer:
Density
Question 3
A 50.0 g sample of metal at 95.0°C is placed into 100.0 g of water at 25.0°C. The final temperature of the system is 28.5°C. What is the specific heat of the metal? (Specific heat of water = 4.184 J/g·°C)
Correct Answer:
0.44 J/g·°C
Question 4
At standard pressure, which phase change releases energy?
Correct Answer:
Condensation
Question 5
According to the kinetic molecular theory, which assumption is true for an ideal gas?
Correct Answer:
The average kinetic energy of gas particles is proportional to absolute temperature
Question 1
Exam overview

About this Exam

Prepare with the Praxis Chemistry 5245 Practice Questions - Praxis Chemistry Content Knowledge (5245) Exam practice quiz. This question bank includes 100 questions covering reaction, water, temperature, constant, and hydrogen. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

More details

Additional Information

Praxis Chemistry 5245 Practice Questions - Praxis Chemistry Content Knowledge (5245) Exam

This practice set contains 100 questions from the matching question bank and focuses on reaction, water, temperature, constant, and hydrogen. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

Quiz information

Frequently Asked Questions

The complete question count is available after full access is unlocked.
No fixed duration is currently configured for this quiz.
Question explanations are included where they are available in the quiz content, helping you review the reasoning after answering.
Yes. You can retake the practice test again as you continue studying during your available access period.
After your access is confirmed, you can continue into the complete practice exam from this quiz flow.
Unless explicitly stated otherwise, this page provides independent practice material for study and exam preparation and is not the official examination itself.
Keep studying

Related Questions