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12th Grade Chemistry Quizzes, Questions & Answers

Recent Chemistry Quizzes

Advanced Chemistry and Basic Math Review Quiz

Questions: 12 | Attempts: 15 | Last updated: Oct 22, 2025

Sample Question
In a bomb calorimeter, reactions are carried out.

At constant pressure.

In an open container.

Without any temperature control.

At fixed volume

Basic Chemistry Concepts Assessment

Questions: 27 | Attempts: 13 | Last updated: Aug 4, 2025

Sample Question
What is the definition of actual yield of a chemical reaction?

The speed at which a chemical reaction takes place.

The quantity of a product obtained from a chemical reaction.

The temperature at which a chemical reaction occurs.

The starting materials of a chemical reaction.

Introductory Chemistry Quiz for Biology Students

Questions: 25 | Attempts: 14 | Last updated: Aug 4, 2025

Sample Question
What does the term 'atomic number' refer to?

The position of the atom in the periodic table.

The number of electrons in the atom.

The atomic weight of the atom.

Number of protons in the atom

The mass of the atom.

Fundamentals of Chemistry: Defining Key Terms Quiz

Questions: 29 | Attempts: 10 | Last updated: Oct 27, 2025

Sample Question
What are atoms?

-Building blocks of matterMade of 3 types of particles1. Protons in nucleus (+ charge)2. Neutrons in nucleus (neutral charge)3. Electrons around nucleus (negative charge)

Atoms are the smallest unit of energy.

Atoms cannot be found in nature.

Atoms consist only of protons in the nucleus.

Chemistry Quiz Questions and Answers For Class 12

Questions: 30 | Attempts: 10335 | Last updated: Apr 22, 2025

Sample Question
The ion which has the highest magnetic moment is………

Sc+3

Fe+3

V+2

Cr+4

A Quiz Every Chemistry Student Has To Pass

Questions: 10 | Attempts: 425 | Last updated: Mar 21, 2025

Sample Question
Chile saltpetre has the chemical formula:

NaNO3

KNO3

Na2B4O7

Na2CO3.H2O

Chemistry Concepts Quiz: Trivia!

Questions: 10 | Attempts: 303 | Last updated: Mar 22, 2025

Sample Question
The major portion of natural gas is:

Ethane

Propane

Butane

Methane

Chemistry Exam: Quiz Questions!

Questions: 10 | Attempts: 120 | Last updated: Mar 21, 2025

Sample Question
Four elements A, B, C, and D: the element (A) used as a catalyst in the preparation of Ammonia gas in industry, one of the compounds of the element (B) used as an oxidizing agent in the dry cell, the element (C) used in the manufacture of heating coils and element (D) is the first discovered metal. Based on the previous information, the correct arrange of these four elements will be:

Fe-Ni-Cu-Mn

Mn-V-Fe-Zn

V-Zn-Mn-Fe

Fe-Mn-Ni-Cu

Chemistry Pop Quiz - Extra Credit

Questions: 10 | Attempts: 69 | Last updated: Feb 23, 2025

Sample Question
Which of the following represents the total number of neutrons in Rb-87?

87

37

50

Can not be determined

Basic Concepts Of Chemistry

Questions: 10 | Attempts: 228 | Last updated: Apr 22, 2025

Sample Question
A measured temperature on Fahrenheit scale is 200°F. What will this reading be on celsius scale?

40°C

94°C

93.3°C

30°C

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