Chemistry Fundamentals Quiz
Test your knowledge on the basic principles and concepts of chemistry.
Try this quiz
Play through the questions and see your score instantly
Ready to test your knowledge?
19 questions · Quick play · Instant results
Make your own quiz videos
Turn any topic into a polished video quiz — with AI-powered questions, voiceover, and animations. No video editing skills needed.
Unlimited quizzes, free to start
Create as many quizzes as you want. Describe your topic and AI builds the questions, answers, and explanations for you.
Customise everything
Pick from stunning templates, tweak colours and fonts, add your branding, and choose between vertical or landscape formats.
Export-ready videos
Download HD videos optimised for TikTok, YouTube Shorts, Instagram Reels, or full-length YouTube — one click, no editing.
No credit card required
Quiz Questions & Answers
Review every prompt, the correct responses, and helpful context to prep for your own run-through.
Question 1: Which branch of science is primarily concerned with the study of matter, its properties, and how it changes?
Chemistry
Biology
Astronomy
Physics
Question 2: What is the smallest unit of an element that retains the chemical properties of that element?
Compound
Ion
Atom
Molecule
Question 3: Which of the following describes a substance that cannot be broken down into simpler chemical substances by ordinary chemical means?
Compound
Element
Solution
Mixture
Question 4: In a neutral atom, which two subatomic particles are always equal in number?
Protons and electrons
Protons and neutrons
Neutrons and electrons
Nucleus and electrons
Question 5: What is the term for a substance formed when two or more different elements are chemically bonded together?
Solution
Compound
Isotope
Mixture
Question 6: Which state of matter has a definite volume but takes the shape of its container?
Solid
Gas
Plasma
Liquid
Question 7: What type of change alters the form of a substance but not its chemical composition?
Nuclear change
Physical change
Irreversible change
Chemical change
Question 8: Where are metals typically located on the periodic table?
Left and center
Far right side
Bottom two rows only
Top row only
Question 9: Which type of chemical bond involves the sharing of electrons between atoms?
Ionic bond
Metallic bond
Covalent bond
Hydrogen bond
Question 10: What is a homogeneous mixture where one substance is dissolved uniformly into another?
Solution
Compound
Colloid
Suspension
Question 11: According to the Law of Conservation of Mass, what happens to the total mass of reactants in a chemical reaction?
It decreases
It varies unpredictably
It increases
It remains the same
Question 12: What is the primary role of a catalyst in a chemical reaction?
To be consumed as a reactant
To shift the equilibrium position
To increase the activation energy
To speed up the reaction without being consumed
Question 13: Which type of reaction releases energy, often in the form of heat or light?
Endothermic reaction
Decomposition reaction
Exothermic reaction
Synthesis reaction
Question 14: What does the 'pH' scale measure?
The temperature of a substance
The mass of a dissolved solute
The density of a solution
The concentration of hydrogen ions in a solution
Question 15: Which subatomic particle has a negative charge and orbits the nucleus of an atom?
Neutron
Electron
Proton
Photon
Question 16: What is the process of a solid turning directly into a gas without passing through a liquid phase?
Melting
Evaporation
Sublimation
Condensation
Question 17: What is the term for the amount of mass per unit volume of a substance?
Volume
Density
Concentration
Weight
Question 18: Which type of chemistry primarily studies compounds containing carbon?
Inorganic chemistry
Organic chemistry
Analytical chemistry
Physical chemistry
Question 19: What is the primary force that holds atoms together in an ionic bond?
Electrostatic attraction between oppositely charged ions
Sharing of electrons
Attraction between positive nuclei
Repulsion between electron clouds