AnswersPhysical ScienceProperties of Acids and Bases

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10 verified answers
3

Which substance is used in fertilizers?

A
slaked lime open paren Ca times open paren OH sub 2 close paren close paren
B
lithium hydroxide LiOH
C
formic acid HCOOH
D
nitric acid open paren HNO sub 3 close paren
4

Which substance is an acid?

A
CH sub 3 COOH
B
NaCl
C
Mg OH sub 2
D
LiOH
5

What ion is most closely associated with bases?

A
carbonate
B
ammonium
C
hydroxide
D
hydrogen
7

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

A
Acids react with lipids and can cause damage to skin tissue.
B
Acids break down fabrics and can cause burns if the acids are strong.
C
Acids have a slippery feel and could result in a fall.
D
Acids conduct electricity and contact could cause a shock.
8

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 nonmetals to form hydrogen gas.
D
It would react with metals to form hydrogen gas.
9

Which substance is used to remove rust from metal?

A
ammonia open paren NH sub 3 close paren
B
lye NaOH
C
sulfuric acid open paren cap h sub 2 SO sub 4 close paren
D
hydrochloric acid HCl
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 carbonates to form carbon dioxide.
C
It would react with metals to form a salt and water.
D
It would react with metals to form hydrogen gas.

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Pretest Answers — Physical Science