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Chemistry Quizzes, Questions & Answers

Recent Chemistry Quizzes

8th Grade Beginning Chemistry Quiz

Questions: 10 | Attempts: 1097 | Last updated: Apr 10, 2025

Sample Question
Which of the following would be a qualitative observation?

It is blue.

It is 5 cm long.

It is 12.3 g.

I like the color.

Tough Chemistry Revision Quiz

Questions: 10 | Attempts: 6005 | Last updated: Aug 22, 2025

Sample Question
Identify the type of reaction: N2 + H2 -----> NH3

Combination

Precipitation

Decomposition

Combustion

CBSE Class 12th Chemistry Practice Paper Set-I

Questions: 50 | Attempts: 931 | Last updated: Mar 20, 2025

Sample Question
Which of the following phenomenon has a higher enthalpy of adsorption?

Physisorption

Chemisorption

Desorption

None of these

Chemistry Quiz: Explore The Wonders Of Chemistry

Questions: 10 | Attempts: 77 | Last updated: Jun 22, 2025

Sample Question
How many moles of H2O are produced when 2 moles of H2 react with 1 mole of O2?

1

2

3

4

Regents Chemistry Practice Test

Questions: 50 | Attempts: 754 | Last updated: Mar 22, 2025

Sample Question
The modern model of the atom is based on the work of

One scientist over a short period of time

One scientist over a long period of time

Many scientists over a short period of time

many scientists over a long period of time

Matter and Energy Unit Test 2.0

Questions: 25 | Attempts: 445 | Last updated: Apr 22, 2025

Sample Question
The tiny particles that make up all matter are called

Genes

Atoms

Minerals

Cells

Matter and Energy Unit Test 777 (English)

Questions: 25 | Attempts: 137 | Last updated: Apr 22, 2025

Sample Question
The tiny particles that make up all matter are called

Genes

Atoms

Minerals

Cells

Chemistry Quiz For 11 Year Old

Questions: 10 | Attempts: 12397 | Last updated: Oct 22, 2025

Sample Question
How many neutrons are in potassium-40?

19

40

21

27

Quiz 1: Chemistry Basics

Questions: 10 | Attempts: 311 | Last updated: Mar 19, 2025

Sample Question
The three basic components of an atom are:

Protons, neutrons, ions

Ions, neutrons, electrons

Protons, neutrons, electrons

Ions, electrons, protons

AP Midterm Exam 2012

Questions: 30 | Attempts: 189 | Last updated: Mar 21, 2025

Sample Question
How many unpaired electrons are in the Lewis- electron dot symbol for an oxygen atom?

0

1

2

4

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