Introduction to Chemistry Quiz

What is the definition of chemistry?

• The study of living organisms

• The science which deals with the study of matter

• The study of the universe

• The science of energy

Which branch of chemistry focuses on the compounds of carbon?

• Organic Chemistry

• Physical Chemistry

• Analytical Chemistry

• Inorganic Chemistry

What is a pure substance?

• A substance with constant composition

• A compound that cannot be decomposed

• A mixture of two or more elements

• A substance that can be easily separated

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

• Molecule

• Atom

• Compound

• Ion

Which of the following is a characteristic of metals?

• Brittle in nature

• Poor conductors of heat

• Good conductors of electricity

• Non-malleable

What is a chemical change?

• A change in the state of matter

• A change that does not produce new substances

• A change that results in new substances

• A change in physical properties only

What is the term for a substance that releases hydrogen ions when dissolved in water?

• Base

• Oxide

• Salt

• Acid

Which of the following is an example of a physical property?

• Reactivity with acid

• Boiling point

• Flammability

• Toxicity

What is a colloid?

• A gas mixture

• A solid substance

• A heterogeneous mixture

• A true solution

What is the state of matter characterized by having a definite shape and volume?

• Gas

• Liquid

• Solid

• Plasma