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WorksheetsL:10-P-4
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Water reacts with another water molecule and dissociates into hydronium and ................. ion
a)
hydroxyl
b)
proton
c)
tritium
d)
deuterium
2.
Experimentally determined Kw value is ....................
a)
1x10-14
b)
2x10-4
c)
3x104
d)
1x104
3.
pH value for the neutral substance is .................
a)
7
b)
6
c)
2
d)
1
4.
pH value for the acid is .................
a)
>7
b)
<7
c)
=7
5.
pH value for the base is ...................
a)
<7
b)
=7
c)
>7
6.
Acid change the blue litmus paper into ..................in colour
a)
red
b)
orange
c)
blue
d)
violet
7.
Base change the red litmus paper into ....................
a)
blue
b)
violet
c)
yellow
d)
pink
8.
pH of our blood is
a)
8.3-8.5
b)
7.3-7.5
c)
6.2-6.5
d)
5.3-5.5
9.
Acid have .....................taste
a)
sour
b)
sweet
c)
bitter
10.
Base have ...................taste
a)
sour
b)
bitter
c)
sweet
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