AnswersAA-F26 Physical ScienceProperties of Acids and Bases

Properties of Acids and Bases Answers

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1
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Which substance is used in fertilizers?

A
slaked lime (Ca(OH2))
B
formic acid (HCOOH)
C
nitric acid (HNO3)
D
lithium hydroxide (LiOH)
2
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Mrs. Rushing fills a balloon with hydrogen gas to demonstrate its ability to burn. Which combination could she use to produce the hydrogen she needs?

A
NaOH and oil
B
Zn and NaCl
C
H2SO4 and CaCO3
D
Mg and HCl
3

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
4

Which substance is an acid?

A
LiOH
B
Mg(OH)2
C
CH3COOH
D
NaCl
5

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.
6

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.
7

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

A
metals
B
hydroxides
C
carbonates
D
lipids
8

Lien made this table to organize her notes on the properties of acids and bases.Which property is in the wrong column?

Question illustration
A
conduct electric current
B
taste bitter
C
feel slippery
D
react with lipids
9

Who would most likely be required to work with sodium hydroxide?

A
a plumber
B
a gardener
C
a bricklayer
D
a mechanic
10

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.

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