Chemistry Quizzes, Questions & Answers

Recent Quizzes

Chemistry Ch16&17 Exam

Questions: 90 | Attempts: 300 | Last updated: Mar 20, 2023

Sample Question
For a process, the enthalpy change of a system is 1.25 x 105 J and the entropy change is 300.0 J/K. Calculate the free energy change of the system at 290 K.

9.2x105 J

3.8x104 J

1.03x106 J

1.1x105 J

Chemistry Ch14&15 Exam

Questions: 92 | Attempts: 480 | Last updated: Mar 22, 2023

Sample Question
A gas is confined in a steel tank with a volume of 6.982 L. At 20.20°C, the gas exerts a pressure of 8.532 atm. After heating the tank, the pressure of the gas increases to 10.406 atm. What is the temperature of the heated gas?

–32.60°C

24.63°C

84.59°C

92.64°C

6.11 Random Questions Units 1-5

6.11 random questions units 1-5

Type description here

Questions: 10 | Attempts: 145 | Last updated: Aug 8, 2024

Sample Question
The electron was first proposed to exist based primarily on the results of which experiment?

Thomson's cathode ray tube experiment

Rutherford's gold foil experiment

Bohr's interpretation of the balmer formula

Frankensteins Transylvania experiments with lightning and corpses

Is Matter Around US Pure? Quiz

Is Matter Around us Pure? Quiz

Do you remember studying the science chapter of 'Matter' in high school? How well do you remember this topic? Take this 'is matter around us pure quiz' and see how well you know about this subject. Here in this...

Questions: 15 | Attempts: 33246 | Last updated: Sep 9, 2024

Sample Question
Rusting of an article made up of iron is called ____________.

Corrosion, and it is a physical as well as chemical change

Dissolution, and it is a physical change

Corrosion, and it is a chemical change

Dissolution, and it is a chemical change

Block 2_chemistry B Pre-test

Block 2_Chemistry B Pre-Test

This is the pre-test for Chemistry B. You will receive 10 pts no matter what your score is.However, please try to do your best!

Questions: 10 | Attempts: 67 | Last updated: Mar 21, 2023

Sample Question
Which of the following best describes the difference between a scientific hypothesis and a scientific theory? (AZ HS Science S1:C1:PO1)

Once a scientific hypothesis has been proven, it becomes known as a theory.

A scientific hypothesis must be testable, while a theory does not have to be tested.

A scientific hypothesis is a testable assumption, while a theory is a well-verified idea used to explain a broad range of phenomena.

Only a scientific hypothesis is subject to scrutiny, while a theory does not change.

7. [intermolecular Forces] Practice

7. [Intermolecular Forces] Practice

NOTE THAT THIS IS THE PRACTICE QUIZ. TAKING THIS QUIZ WILL NOT AFFECT YOUR GRADE.

Questions: 12 | Attempts: 1045 | Last updated: Mar 22, 2023

Sample Question
A.) What geometric configuration would a molecule of have?

Trigonal planar

Tetrahedral

Linear

Octahedral

Chemistry A Post Quiz: 50 Points

Chemistry A Post Quiz: 50 points

This quiz is worth 50 points. There are 10 questions. Each question is worth 5 pts. You can ONLY take this quiz twice.

Questions: 10 | Attempts: 90 | Last updated: Sep 7, 2023

Sample Question
A description of how close a measurement is to the true value of the quantity measured. (AZ HS Science S1:C2:PO3)

Accuracy

Liter

Kilogram

Energy

Chapter 7/8 Quiz

Chapter 7/8 quiz

Questions: 10 | Attempts: 639 | Last updated: Mar 21, 2023

Sample Question
Which of the following best helps to account for the fact that the F- ion is smaller than the O2- ion?

F- has a larger nuclear mass than O2- has

F- has a larger nuclear charge than O2- has

F- has more electrons than O2- has

F- is more electronegative than O2- is

F- is more polarizable than O2- is

The Structure And Properties Of Water! Chemistry Trivia Questions

The Structure and Properties of Water! Chemistry Trivia Questions

What we have here are some Chemistry trivia questions on the structure and properties of water. Water is a very important component for the environment of living things and some people have gone far to say that water is indeed...

Questions: 12 | Attempts: 2046 | Last updated: Nov 17, 2023

Sample Question
Honey is composed mostly of glucose and fructose. What property of water explains why honey dissolves easily in the water?

Water exhibits strong cohesion.

Water has a high specific heat.

Water is a polar molecule.

Water is easily ionized.

Introduction To Chemistry Quiz For Students

Introduction to Chemistry Quiz for Students

Welcome to our Introduction to Chemistry Quiz! Dive into the fascinating world of chemistry and test your understanding of fundamental concepts. Whether you're just starting your journey or looking to refresh your knowledge,...

Questions: 59 | Attempts: 1805 | Last updated: Mar 21, 2024

Sample Question
What happens when you expose Sodium to water?

Sodium dissolves completely, forming a clear solution.

Sodium reacts vigorously, producing hydrogen gas and a solution of sodium hydroxide.

Sodium remains unchanged, forming a thin layer on the water's surface.

Sodium reacts slowly, forming sodium oxide and releasing heat.

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