Matter - Unit 2 Test Review

Which of the following is NOT a physical property of matter?

• Texture

• Density

• Reactivity (like tarnishing or rusting)

• Boiling Point

How many atoms of Calcium are in Calcium Carbonate?

CaCO₃

• 1

• 2

• 3

• 4

What is the most common example of sublimation?

• Frost on a windshield

• Clothes drying on a line

• Water boiling

• Dry Ice

What state of matter does picture D represent?

• Solid

• Liquid

• Gas

• Plasma

True or False: Exothermic reactions absorb energy (heat) from their environment.

• True

• False

Candle wax is an example of which type of solid?

• Crystalline

• Amorphous

Which liquid has the highest viscosity?

• Water

• Vegetable Oil

• Corn syrup

• Vinegar

Which of the following is a compound?

• Helium

• Salt Water

• Salt (NaCl)

• Blood

What does Letter D represent?

• Solid

• Vaporization

• Liquid

• Melting

Which of the following is NOT a physical change?

• Folding paper

• Melting butter

• Water boiling

• Food rotting