Properties & Changes of Substances

Question 1

Substances with a low pH value

Accepted Answer

are acidic.

Question 2

Physical changes alter the chemical nature of a substance.

Accepted Answer

false

Question 3

Dissolving salt in water results in a chemical change.

Accepted Answer

false

Question 4

The chemical properties of a substance determine how it will react with other substances.

Accepted Answer

True

Question 5

Physical properties of matter include all the following except

Accepted Answer

its pH value.

Question 6

Lighting an electric bulb is an example of

Accepted Answer

a physical change.

Question 7

Substances that can be flattened, rolled out, or beaten into thin sheets are

Accepted Answer

malleable.

Question 8

Bromine boils at 59 degrees Celsius; this is an example of

Accepted Answer

a physical property.

Question 9

Vinegar's pH is an example of

Accepted Answer

a chemical property.

Question 10

Silver turning black when exposed to air is an example of

Accepted Answer

a chemical change

Question 11

Choose the correct answer.

Accepted Answer

correct, correct

Question 12

All of the following typically indicate chemical changes except

Accepted Answer

a change in state.

Questions 12