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WorksheetsAcids and Alkalis
Total questions: 27
Worksheet time: 18mins
Acid
A solution with a pH LESS than 7.
A solution with a pH GREATER than 7, also called a base.
A solution with a pH OF 7.
Alkali
A solution with a pH LESS than 7.
A solution with a pH GREATER than 7, also called a base.
A solution with a pH OF 7.
Neutral
A solution with a pH LESS than 7.
A solution with a pH GREATER than 7, also called a base.
A solution with a pH OF 7.
pH
A paper USED TESTS to see if a solution is acidic or alkali
A solution USED TO SHOW the acidity or alkalinity of solutions.
A scale that tells how acidic or alkaline a substance is.
Universal Indicator
A paper USED TESTS to see if a solution is acidic or alkali
A solution USED TO SHOW the acidity or alkalinity of solutions.
A scale that tells how acidic or alkaline a substance is.
Litmus
A paper USED TESTS to see if a solution is acidic or alkali
A solution USED TO SHOW the acidity or alkalinity of solutions.
A scale that tells how acidic or alkaline a substance is.
What does it mean?
A substance that causes damage to metal or other materials through a chemical process
A substance that causes slight inflammation or other discomfort.
Corrosive
Irritant
a and c
What does it mean?
A substance that causes damage to metal or other materials through a chemical process
A substance that causes slight inflammation or other discomfort.
Corrosive
Irritant
b and d
All solutions in water are either acidic, alkaline, or neutral.
True
False
Bases are substances that:
a. react with acids. Most of them are insoluble
b. soluble and can dissolve in water to make a solution
Soluble means dissolve in water.
True
False
This word means "cannot dissolve in water."
soluble
insoluble
solution
pH is a scale used to ___________________________________ of a solution. The scale runs from 0 - 14
a. test the acidity
b. test the alkalinity
c. measure the acidity or alkalinity
The higher the pH the stronger the acid.
True or False?
Correct if it is False!
True
False
Acids turn blue litmus paper red.
True or False?
Correct if it is False!
True
False
Weak acids are corrosive, and some stronger acids are irritants.
True or False?
Correct if it is False!
True
False
The higher the pH, the stronger the alkali.
True or False?
Correct if it is False!
True
False
Alkalis turn blue litmus paper pink.
True or False?
Correct if it is False!
True
False
Strong alkalis are corrosive, and some weaker alkalis are irritants.
True or False?
Correct if it is False!
True
False
Acids taste _______________.
sweet
bitter
sour
salty
Alkalis taste _______________.
sweet
bitter
sour
salty
What is the purpose of using pH indicators?
a. to test acid
b. to test alkali
c. to tell if a solution is acid or alkali.
d. to change the color of indicator
What is the chemical symbol of these common acids?
hydrochloric acid
HCl
sulfuric acid
H2SO4
nitric acid
HNO3
What is the chemical symbol of these common alkalis?
Sodium hydroxide
NaOH
Potassium hydroxide
KOH
Ammonia
NH3
The range of the pH scale is from __________ to _____________
1 to 14
0 to 14
1 to 140
1 to 20
Common acids: (a) (b) (c) (d) (e)
Common alkalis: (a) (b) (c) (d) (e)
