Question 1
A student investigates whether increasing the surface area of calcium carbonate changes its reaction rate with hydrochloric acid. Which factor should be intentionally varied?
Correct Answer:
The particle size of the calcium carbonate
Question 2
Which practice is safest when diluting concentrated nitric acid for a laboratory activity?
Correct Answer:
Add acid slowly to water while stirring
Question 3
A balance displays the mass of a sample as 12.340 g. How many significant figures are reported?
Correct Answer:
5
Question 4
Which statement is an observation rather than an inference?
Correct Answer:
The solution became cloudy after the two clear liquids were mixed.
Question 5
Which tool is most appropriate for preparing exactly 250.00 mL of a standard solution?
Correct Answer:
Volumetric flask
Question 1
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About this Exam

Prepare with the WEST NES Chemistry 306 Practice Questions - Washington National Evaluation Series Chemistry (306) Exam practice quiz. This question bank includes 100 questions covering reaction, degrees, delta, heat, and water. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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WEST NES Chemistry 306 Practice Questions - Washington National Evaluation Series Chemistry (306) Exam

This practice set contains 100 questions from the matching question bank and focuses on reaction, degrees, delta, heat, and water. 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.

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