Reasons
B ases
a re
I mportant
• Bases
a re
u sed
t o
s oaps
• Bases
a re
u sed
t o
m ake
d rain
c leaners
• Bleach
i s
a
b ase
u sed
f or
c leaning
• Baking
s oda
i s
a
b ase
u sed
f or
c ooking.
Reasons
A cids
a re
I mportant
• Vinegar
i s
a n
a cid
u sed
t o
p reserve
f ood
( pickles)
• Orange
J uice
i s
a
m ild
a cid
w e
d rink
• Acids
a re
u sed
t o
m ake
f ertilizer
a nd
r efine
p etroleum
• Acids
i n
y our
s tomach
h elp
y ou
d igest
f ood.
Example
o f
A cid:
• Coke
c ola
• Orange
j uice
• Vinegar
• Lemon
j uice
Example
o f
B ase
• Dish
s oap
• Bleach
• Mylanta
( Milk
o f
m agnesia
• Baking
s oda
Arrange
t he
f ollowing
s olutions
o n
t he
p H
s cale.
Coke
c ola
p H
3
orange
j uice
p H
4 .2
dish
s oap
p H
6
Distilled
w ater
p H
7
ammonia
p H
1 1.6
Why
i s
i mportant
f or
t owns
t o
t est
t he
a cidity
o f
d rinking
w ater?
It
i s
i mportant
f or
t owns
t o
t est
t he
a cidity
o f
d rinking
w ater
b ecause
i f
t he
water
i s
t oo
a cidic
i t
c an
s tart
t o
c orrode
t he
l ead
a nd
o ther
m etals
o ut
o f
t he
pipes
i nto
t he
d rinking
w ater.
L ead
a nd
m etals
i n
t he
d rinking
w ater
c an
cause
s erious
p roblems
f or
p eople
e specially
y oung
c hildren.