AnswersAA-F26 Physical ScienceProperties of Acids and Bases

Properties of Acids and Bases Answers

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4

What is a common use of nitric acid?

A
making ointments
B
making ceramics
C
cleaning windows
D
producing dyes
5

Which substance is used to remove rust from metal?

A
lye (NaOH)
B
hydrochloric acid (HCl)
C
ammonia (NH3)
D
sulfuric acid (H2SO4)
9

Which substance is an acid?

A
LiOH
B
Mg(OH)2
C
CH3COOH
D
NaCl
10

While researching life during colonial times, Carson learns that people would extract potassium hydroxide from wood ashes and mix it with animal fat. What were the colonists doing?

A
generating hydrogen
B
making soap
C
producing salt
D
cleaning steel
11

Which substance is used in fertilizers?

A
slaked lime (Ca(OH2))
B
formic acid (HCOOH)
C
nitric acid (HNO3)
D
lithium hydroxide (LiOH)
12

When an old building is to be torn down, Mr. Pham’s company removes the bricks, cleans off the mortar from the bricks, and then sells the bricks to companies that restore historic buildings. Which compound is Mr. Pham’s company most likely to use in its work?

A
hydrochloric acid
B
nitric acid
C
sodium hydroxide
D
lithium hydroxide
13

Tony gets stung by an ant. He applies baking soda, a weak base, to the site. What acid is Tony neutralizing with the baking soda?

A
citric acid
B
acetic acid
C
formic acid
D
hydrochloric acid
14

What do acids react with in limestone to form giant cave systems?

A
metals
B
hydroxides
C
carbonates
D
lipids
16

A compound that releases hydroxide ions in solution would most likely have which chemical property?

A
It would react with lipids to form soap.
B
It would react with metals to form a salt and water.
C
It would react with metals to form hydrogen gas.
D
It would react with carbonates to form carbon dioxide.
17

What ion is most closely associated with bases?

A
ammonium
B
hydroxide
C
carbonate
D
hydrogen
18

A compound that releases hydrogen ions in solution would most likely have which chemical property?

A
It would react with metals to form a salt and water.
B
It would react with nonmetals to form a salt and water.
C
It would react with metals to form hydrogen gas.
D
It would react with nonmetals to form hydrogen gas.
19

Why is a protective apron or lab coat important to use when working with acids?

A
Acids conduct electricity and contact could cause a shock.
B
Acids react with lipids and can cause damage to skin tissue.
C
Acids break down fabrics and can cause burns if the acids are strong.
D
Acids have a slippery feel and could result in a fall.

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