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Exams & Certifications

Chemistry Quizzes, Questions & Answers

Recent Chemistry Quizzes

Chemistry Unit 2 Revision

Questions: 20 | Attempts: 578 | Last updated: Mar 20, 2025

Sample Question
What is a row in a Periodic Table called?

Group

Period

Spring Break CHEM HW

Questions: 25 | Attempts: 74 | Last updated: Jun 22, 2025

Sample Question
An orbital is a region of space where there is a high probability of finding

Proton

Positron

Neutron

Electron

GCSE Chemistry Quiz

Questions: 10 | Attempts: 1126 | Last updated: Aug 22, 2025

Sample Question
In an exothermic reaction the heat energy is being given out, therefore energy is lost.

True

False

Apologia Chemistry Module 11 Test Review

Questions: 16 | Attempts: 283 | Last updated: Mar 21, 2025

Sample Question
The substance being dissolved is the...

Solution

Solute

Solvent

Percipitate

Water Purification Process Quiz! Trivia

Questions: 16 | Attempts: 3627 | Last updated: Mar 21, 2025

Sample Question
Which of the following is a system used to treat the final rinse water used for cleaning?

Water conductivity

Sanitization

Deionization

Sterilization

Difficult Chemistry Questions and Answers

Questions: 28 | Attempts: 4235 | Last updated: Jun 22, 2025

Sample Question
If 50.0 g of benzene, C6H6, at 25.00C absorbs 2.71 kJ of energy in the form of heat, what is the final temperature of the benzene? The specific heat of benzene is 1.72 J/g·0C.

25.00C

31.50C

56.50C

32.30C

57.30C

QuÍmica (Diversos ámbitos)

Questions: 11 | Attempts: 5045 | Last updated: Mar 21, 2025

Sample Question
El gráfico representa el punto de ebullición contra el número de carbonos, para los 10 primeros alcanos y alquenos normales. De la gráfica se puede concluir que

El punto de ebullición aumenta a medida que se disminuye en las series

Los cuatro primeros miembros de las series son gases a temperatura ambiente

Las fuerzas de atracción entre moléculas son mayores en alquenos que en alcanos

A mayor peso molecular en alcanos y alquenos mayor punto de ebullición

Alternative Energy: Hydrogen Fuel Cells

Questions: 5 | Attempts: 1362 | Last updated: Mar 22, 2025

Sample Question
Hydrogen is limitless.

True

False

Intej Chemistry Department (Diagnostic 1)

Questions: 40 | Attempts: 97 | Last updated: Feb 6, 2025

Sample Question
Diagram 1 shows the atomic model of an atom. Which of the following scientists suggested the model?

Ernest Rutherford

James Chadwick

J.J. Thomson

Neils Bohr

Matter and Their Parts 4th Grade Science Test 2/9

Questions: 17 | Attempts: 959 | Last updated: Mar 22, 2025

Sample Question
An element _______ be broken down into a simpler form.

Can

Cannot

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