Question 2 (4 points) (03.05 LC)

Match the term with its description. (4 points)

Column A
1.
Acid

:
Acid

2.
Base

:
Base

3.
pH

:
pH

4.
Litmus paper

:
Litmus paper

Column B
a.
A value from 0 to 14 that is used to specify how acidic or basic a compound is when it is dissolved in water

b.
Used to measure the pH of substances by determining their hydrogen ion concentration

c.
A compound that increases hydrogen ions (H+) when it is dissolved in a solution

d.
A compound that increases hydroxide ions (OH-) when it is dissolved in a solution

Question 3 (2 points)
(03.05 MC)

Which description is not a property of an acid? (2 points)

a
Turns litmus paper red

b
Bitter taste

c
Corrosive

d
Dissolves metals

Question 4 (2 points)
(03.05 MC)

Which description is not a property of a base? (2 points)

a
pH lower than 7

b
Turns litmus paper blue

c
Bitter taste

d
Slimy feel

Question 5 (2 points)
(03.05 MC)

Which item is made from an acidic ingredient? (2 points)

a
Detergent

b
Soap

c
Ammonia

d
Vinegar

Question 6 (2 points)
(03.05 MC)

Which substances will make a salt when combined? (2 points)

a
Vinegar and antacids

b
Soda and wine

c
Soap and ammonia

d
Fertilizer and detergent

Question 7 (2 points)
(03.05 MC)

Which description of salt is a chemical property? (2 points)

a
No combustion

b
Odorless

c
Salty taste

d
Solid does not conduct electricity

Question 8 (2 points)
(03.05 MC)

Complete the sentence. When an acid is added to water, hydroxide ions . (2 points)

a
increase

b
decrease

c
stay the same

d
disappear

Question 9 (2 points)
(03.05 MC)

Complete the sentence. The higher the hydrogen ion concentration, the the pH. (2 points)

a
higher

b
lower

c
closer to 7

d
closer to 14