Classification of Matter Cumulative Practice

Which of the following would be a pure substance?

• Oxygen (O₂)

• Air (O₂ + N₂ + H₂O)

• Salt Water (H₂O + NaCl)

• Maple Syrup (C₆H₁₂O₆ + H₂O)

Tags

NGSS.MS-PS1-1

One of the following is NOT a property of a mixture:

• Always has the same composition

• Is a physical blend of two or more substances

• Each component remains its own identity

• Can be separated into smaller/simpler parts

Sodium Chloride (NaCl) is a mixture of two elements

• True

• False

• Not enough information

Tags

NGSS.MS-PS1-1

A mixture can be made of more than two substances that are chemically combined.

• True

• False

• Not enough information

Which of the following is made of only one type of atom?

• Mixture

• Compound

• Element

• Pure Substance

Which of the following is classified as a homogeneous mixture?

• A glass of root beer

• Pepperoni Pizza

• Crunchy Peanut Butter

• Mac & Cheese

Which of the following is a characteristic of a heterogeneous mixture?

• Uniform composition

• Pure substance

• Composition not uniform

• Made of one type of atom

Oil and water always mix evenly and form a homogeneous mixture.

• True

• False

• Not enough information

Which of the following is NOT a property of a compound?

• Composed of two or more elements

• Can't physically be broken down into simpler parts

• Can physically be broken down into simpler parts

• Can be separated by chemical means

The symbol for Cu designates the element

• Copper

• Lead

• Mercury

• Cobalt