WorksheetsIONIC AND CHEMICAL FORMULAE
Total questions: 20
Worksheet time: 3mins
Name
Class
Date
1.
Magnesium ion ...
a)
Mg
b)
Mg2+
c)
Mg+
2.
Calcium ion ...
a)
Ca2+
b)
Ca+
c)
Ca
d)
Ca3+
3.
Aluminium ion ...
a)
Al3+
b)
Al2+
c)
Al
4.
Hydroxide ion ...
a)
OH2-
b)
OH-
5.
Sodium chloride ...
a)
Na2Cl
b)
NaCl
c)
NaCl2
6.
Sulphate ion ...
a)
SO4
b)
SO42-
c)
SO4-
7.
Sodium hydroxide
(a)
8.
Calcium carbonate ...
a)
CaCO
b)
CaCO3
c)
Ca(CO3)2
d)
Ca2CO3
9.
Ammonium sulphate ...
a)
NH4
b)
NH3SO4
c)
(NH4)2SO4
10.
Magnesium hydroxide ...
a)
Mg(OH)
b)
Mg(OH)2
c)
Mg2(OH)
d)
2Mg(OH)
11.
Zinc chloride ...
a)
ZnCl
b)
ZnCl2
12.
Lead (II) nitrate ...
a)
PbNO3
b)
Pb(NO3)2
13.
Nitrogen dioxide ...
a)
NO
b)
NO2
14.
Copper (II)oxide ...
a)
CuO
b)
Cu2O
15.
Iron (II) nitrate ...
a)
FeNO3
b)
Fe2NO3
c)
Fe(NO3)2
16.
Colour of copper (II) sulphate ...
a)
white
b)
yellow
c)
blue
17.
Colour of magnesium oxide ...
a)
Colourless
b)
Yellow
c)
White
18.
Test of hydrogen gas ...
a)
glowing wooden splinter
b)
lighted wooden splinter
c)
limewater
d)
litmus paper
19.
Test for carbon dioxide gas using ...
(a)
20.
Hydrochloric acid formula ...
(a)
100 %
