Chemistry Quiz

What is a pure substance?

• A mixture of two or more compounds

• Matter that cannot be separated into simpler substances by physical processes

• Matter that has no definite composition

• Anything that occupies space and has mass

Which process involves breaking and forming new chemical bonds?

• Physical process

• Filtration

• Chemical process

• Sublimation

What is the smallest particle of an element that retains its chemical properties?

• Atom

• Molecule

• Mixture

• Compound

What is alchemy?

• The transformation of substances

• The study of the chemical composition of matter

• An ancient study of matter thought to involve magic

• A process for separating liquids based on boiling point

What is a mixture?

• A pure substance

• A combination of two or more substances that can be separated by physical processes

• An assembly of atoms held together by bonds

• A solid product formed from a chemical reaction

Which process separates solid particles from a liquid?

• Distillation

• Filtration

• Precipitation

• Sublimation

What is sublimation?

• Transitioning directly from a gas to a solid

• Transitioning directly from a solid to a gas

• A chemical process involving new bonds

• The study of substances' chemical properties

What is the study of compounds containing carbon called?

• Organic chemistry

• Analytical chemistry

• Physical chemistry

• Inorganic chemistry

What is density?

• The smallest particle of an element

• The ratio of a substance's mass to its volume

• A measurement that is very close to another

• The curved surface of a liquid

Which technique separates liquids based on boiling points?

• Filtration

• Precipitation

• Distillation

• Sublimation