CHEM 121 LAB - FINAL EXAM STUDY GUIDE (UNR) QUESTIONS & VERIFIED ANSWERS PASSED ALREADY GRADED A+

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CHEM 121 LAB - FINAL EXAM STUDY GUIDE (UNR) QUESTIONS & VERIFIED ANSWERS PASSED ALREADY GRADED A+

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CHEM 121 LAB - FINAL EXAM STUDY GUIDE (UNR) QUESTIONS & VERIFIED ANSWERS PASSED ALREADY GRADED A+ is typically an introductory General Chemistry course, often taken by first-year college students pursuing science, health, or engineering fields. While the exact content can vary by institution, the course usually covers foundational chemical principles and includes both theory and practical applications.

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CHEM 121 LAB - FINAL EXAM STUDY
GUIDE (UNR) QUESTIONS & VERIFIED
ANSWERS PASSED ALREADY
GRADED A+
Every measurement made in the laboratory is really an ... - Correct Answer ✔✔ An
Approximation

A ... is a glass vessel calibrated to deliver a precisely known value of liquid at a given
temperature. - Correct Answer ✔✔ Pipet

The arithmetic mean of A and B is ... - Correct Answer ✔✔ (A+B)/2

In the laboratory we can weigh ... - Correct Answer ✔✔ Objects at Room Temperature

Density is defined as mass per unit / by ... - Correct Answer ✔✔ Volume

True/False: The number of significant figures is not important when we record the
results of a measurement. - Correct Answer ✔✔ False

True/False: 0.1mg is equal with 0.0001g of mass. - Correct Answer ✔✔ True

True/False: The density of water does not change at different temperatures. - Correct
Answer ✔✔ False

True/False: You must never use your mouth to fill a pipet. - Correct Answer ✔✔ True

True/False: Equipment accuracy is in the form of +/-n (e.g., +/-0.2 Degrees Celsius for a
thermometer). - Correct Answer ✔✔ True

What is this? - Correct Answer ✔✔ Bunsen burner

What is this? - Correct Answer ✔✔ Utility clamp

What is this? - Correct Answer ✔✔ Test tube

What is this? - Correct Answer ✔✔ Pinchclamp

What is this? - Correct Answer ✔✔ Erlenmeyer flask

What is this? - Correct Answer ✔✔ Beaker

, What is this? - Correct Answer ✔✔ Florence flask

What is this? - Correct Answer ✔✔ Graduated cylinder

What is this? - Correct Answer ✔✔ Weighing bottle

What is this? - Correct Answer ✔✔ Clay triangle

What is this? - Correct Answer ✔✔ Medicine dropper

What is this? - Correct Answer ✔✔ Buret

What is this? - Correct Answer ✔✔ Volumetric flask

What is this? - Correct Answer ✔✔ Crucible tongs

What is this? - Correct Answer ✔✔ Funnel

What is this? - Correct Answer ✔✔ Deflagrating spoon

What is this? - Correct Answer ✔✔ Test tube brush

What is this? - Correct Answer ✔✔ Evaporating dish

What is this? - Correct Answer ✔✔ Test tube holder

What is this? - Correct Answer ✔✔ Pipet

What is this? - Correct Answer ✔✔ Wire Gauze

What is this? - Correct Answer ✔✔ Ring stand, iron ring, and double buret clamp

What is this? - Correct Answer ✔✔ Crucible and cover

What is this? - Correct Answer ✔✔ Triangular file

What is this? - Correct Answer ✔✔ Stirring rod

What is this? - Correct Answer ✔✔ Spatulas

420mg to grams is? - Correct Answer ✔✔ 0.42g

1.6km to cm is? - Correct Answer ✔✔ 160,000cm

What are 3 common lab safety rules? - Correct Answer ✔✔ 1. Always wear goggles

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Uploaded on: May 2, 2026
Number of pages: 5
Written in: 2025/2026
Type: Exam (elaborations)
Contains: Questions & answers

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