Chemistry Review Quiz

What is the primary reason for studying chemistry?

• To understand the universe

• To learn about chemical reactions

• To improve safety and quality in consumer products

• To memorize the periodic table

Which of the following is a physical property of matter?

• Flammability

• Reactivity with acid

• Melting point

• Toxicity

A change in which type of property indicates a chemical change?

• State of matter

• Color

• Solubility

• Temperature

Which of the following describes a mixture?

• A substance that has a uniform composition

• A combination of two or more substances that retain their individual properties

• A compound formed by chemical bonding

• A solution that cannot be separated

An example of a compound is:

• Oxygen

• Salt

• Air

• Mercury

What type of matter has a definite shape and volume?

• Gas

• Liquid

• Plasma

• Solid

Which of the following is true about elements?

• They can be broken down into simpler substances

• They are made up of atoms of only one kind

• They have variable compositions

• They exist in a single state of matter

Which of the following is a characteristic of chemical properties?

• They can be observed without changing the substance

• They describe how a substance reacts with others

• They are always visible

• They only apply to solids

The process of a solid turning directly into a gas is called:

• Melting

• Sublimation

• Evaporation

• Condensation

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

• Iron rusting

• Wood burning

• Ice melting

• Baking a cake