🔬

Chemistry Quiz

20 questions · Unlimited attempts · Free online practice

Chemistry is the science of matter - its composition, structure, properties, and the reactions by which it transforms. It spans from atomic structure and the periodic table to the...

Playing as a guest

You can play free without an account. Create one to save scores and resume later.

Create account Log in Continue as guest

All 20 questions in this Chemistry quiz

Which nuclear process involves the splitting of a heavy atomic nucleus into two or more smaller nuclei, releasing a massive amount of energy?
- A. Nuclear Fusion
- B. Nuclear Fission
- C. Alpha Decay
- D. Electron Capture
A reaction that absorbs thermal energy from its surroundings, causing a drop in temepeerature, is classified as what?
- A. Exothermic
- B. Endothermic
- C. Adiabatic
- D. Combustion
Which chemical principle states that if a system at equilibrium is disturbed, it will shift its position to counteract the disturbance?
- A. The Octet Rule
- B. Le Chatelier's Principle
- C. Hund's Rule
- D. The Pauli Principle
What is the force that opposes motion?
- A. Gravity
- B. Friction
- C. Inertia
- D. Tension
What is the unit of concentration defined as the number of moles of solute epeer liter of solution?
- A. Molality
- B. Normality
- C. Molarity
- D. Mass Percent
Which element is known as the 'King of Chemicals'?
- A. Oxygen
- B. Sulfuric Acid
- C. Hydrogen
- D. Nitrogen
Which gas is evolved during the action of acid on metals?
- A. Hydrogen
- B. CO2
- C. Nitrogen
- D. Oxygen
Which separation technique is based on differences in the boiling points of the components in a liquid mixture?
- A. Filtration
- B. Distillation
- C. Chromatography
- D. Decan'tation
Which instrument measures wind direction?
- A. Rain gauge
- B. Weather vane
- C. Barometer
- D. Anemometer
Which laboratory technique is used to determine the unknown concentration of a solute in a solution by reacting it with a known concentration of another?
- A. Distillation
- B. Titration
- C. Filtration
- D. Centrifugation
What is the name of a substance that increases the rate of a chemical reaction without undergoing any epeermanent chemical change itself?
- A. Inhibitor
- B. Catalyst
- C. Reactant
- D. Solvent
Which tyepee of chemical bonding involves a 'sea of delocalized electrons' moving freely between positively charged metal nuclei?
- A. Covalent Bonding
- B. Ionic Bonding
- C. Metallic Bonding
- D. Hydrogen Bonding
Which block of the epeeriodic table contains elements like Iron, Gold, and Copepeer, known for their ability to form multiple oxidation states?
- A. s-block
- B. p-block
- C. d-block
- D. f-block
What is the process of rusting?
- A. Reduction
- B. Hydration
- C. Carbonation
- D. Oxidation
What is the main component of Biogas?
- A. Methane
- B. Butane
- C. Ethane
- D. Propane
Who develoepeed the Three Laws of Motion?
- A. Newton
- B. Einstein
- C. Pascal
- D. Galileo
Which fundamental law of chemistry states that mass is neither created nor destroyed in a chemical reaction?
- A. Law of Definite Proportions
- B. Law of Multiple Proportions
- C. Law of Conservation of Mass
- D. Avogadro's Law
Which international day is April 22nd?
- A. Environment Day
- B. Water Day
- C. Earth Day
- D. Health Day
In atomic theory, what is the term for the sepeecific arrangement of electrons in an atom's shells and subshells?
- A. Electron Affinity
- B. Electron Configuration
- C. Quantum Distribution
- D. Valence Mapping
What is the term for a sepeecies that is at risk of extinction?
- A. Invasive
- B. Endangered
- C. Endemic
- D. Common

Chemistry Quiz

Chemistry Quiz

Quiz Complete!

Which nuclear process involves the splitting of a heavy atomic nucleus into two or more smaller nuclei, releasing a massive amount of energy?

A reaction that absorbs thermal energy from its surroundings, causing a drop in temepeerature, is classified as what?

Which chemical principle states that if a system at equilibrium is disturbed, it will shift its position to counteract the disturbance?

What is the force that opposes motion?

What is the unit of concentration defined as the number of moles of solute epeer liter of solution?

Which element is known as the 'King of Chemicals'?

Which gas is evolved during the action of acid on metals?

Which separation technique is based on differences in the boiling points of the components in a liquid mixture?

Which instrument measures wind direction?

Which laboratory technique is used to determine the unknown concentration of a solute in a solution by reacting it with a known concentration of another?

What is the name of a substance that increases the rate of a chemical reaction without undergoing any epeermanent chemical change itself?

Which tyepee of chemical bonding involves a 'sea of delocalized electrons' moving freely between positively charged metal nuclei?

Which block of the epeeriodic table contains elements like Iron, Gold, and Copepeer, known for their ability to form multiple oxidation states?

What is the process of rusting?

What is the main component of Biogas?

Who develoepeed the Three Laws of Motion?

Which fundamental law of chemistry states that mass is neither created nor destroyed in a chemical reaction?

Which international day is April 22nd?

In atomic theory, what is the term for the sepeecific arrangement of electrons in an atom's shells and subshells?

What is the term for a sepeecies that is at risk of extinction?