WorksheetsAcid and Base
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
WHAT ARE THE PROPERTIES OF ACID ?
a)
Acids are corrosive, sour,
b)
Lemon
c)
Mint
d)
tastes bitter
2.
Soap is a weak base. What is true about the taste of bases?
a)
they taste sour
b)
they taste sweet
c)
they taste bitter
d)
they taste salty
3.
From which point to which point in the pH scale is Base
a)
7.1- 14
b)
0- 6.9
c)
6.2- 9.1
d)
12- 14
4.
in which Acid base indicator is Acid is colourless base is pink
a)
Methyl orange
b)
Litmus paper
c)
Phenolphthalein
d)
Universal indicator
5.
What can neutralise a strong base
a)
Neutral
b)
Weak base
c)
Base
d)
Hydrochloric acid (pH of 3.01)
6.
hydrochloric acid
a)
HClO3
b)
HClO2
c)
HClO
d)
HCl
7.
Tastes Sour
a)
Acids
b)
Bases
c)
Salts
d)
All
8.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
9.
Tastes bitter.
a)
Acids
b)
Bases
c)
Salts
d)
All
10.
Feels slippery.
a)
Acids
b)
Bases
c)
All
11.
BASE + ACID ----> SALT +?
a)
water
b)
oxygen
c)
hydrogen ion
d)
hydroxide ion
12.
Acids produce _________ ions when they break down or dissocciate.
a)
Hydroxide (OH-)
b)
Water
c)
Chlorine (Cl-)
d)
Hydrogen (H+)
13.
The pH scale ranges from ____________.
a)
0-7
b)
1-100
c)
1-20
d)
0-14
14.
Is vinegar is an acid or alkali?
a)
Acid
b)
Alkali
15.
Acids react with
a)
water to produce bases and salts
b)
salts to produce bases and water
c)
neither bases, salts nor water
d)
bases to produce salts and water
100 %
