Chemical Properties and Chemical Reactions

Question 1

A _____ is a process that occurs when one or more substances are changed into one or more new substances. For example, when zinc and sulfur are mixed together with the addition of energy in the form of heat, zinc sulfide (ZnS) is produced.

Answer 1

chemical reaction

Question 2

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

Answer 2

corrosion

Question 3

The ability of matter to easily combine chemically with other substances is known as chemical _____.

Answer 3

reactivity

Question 4

Which of the following statements best describes why burning a match would be considered a chemical reaction?

Answer 4

burning a match forms new substances

Question 5

Complete the sentence using one of the following words: chemical property, physical property, or material property.
A ____ describes the ability of a substance to undergo a specific chemical change.

Answer 5

chemical property

Question 6

Which verb describes a process that is NOT indicative of a chemical change?

Answer 6

melt

Question 7

Formation of a precipitate in a chemical reaction is considered a:

Answer 7

chemical change

Question 8

True or False:

If a chemical is used in a chemical reaction as a reactant but no products are formed and nothing changes about the chemical, it is safe to assume it has no chemical properties.

Answer 8

false

Question 9

The freezing of water is a chemical property because the structure of the water molecule is changed.

Answer 9

false

Question 10

Measurement of a physical property does not change the identity of the substance; however, measurement of a chemical property occurs as the identity of the substance changes.

Answer 10

true

Question 11

We can observe a chemical property during a chemical reaction.

Answer 11

true