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WorksheetsChemical formulae
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Na2Co3 represents
a)
Sodium bicarbonate
b)
Sodium carbonate
c)
Sodium Chloride
d)
Calcium Carbonate
2.
NaHCo3 represents
a)
Sodium bicarbonate
b)
Sodium carbonate
c)
Sodium Chloride
d)
Calcium Carbonate
3.
NaCl represents
a)
Sodium bicarbonate
b)
Sodium carbonate
c)
Sodium Chloride
d)
Calcium Carbonate
4.
NaOH represents
a)
Sodium bicarbonate
b)
Sodium carbonate
c)
Sodium Chloride
d)
Sodium Hydroxide
5.
CaCo3 represents
a)
Sodium bicarbonate
b)
Sodium carbonate
c)
Sodium Chloride
d)
Calcium Carbonate
6.
CaCl2 represents
a)
Calcium bicarbonate
b)
Calcium Chloide
c)
Calcium Hydroxide
d)
Calcium Carbonate
7.
HCl represents
a)
Sulphuric Acid
b)
Hydrochloric Acid
c)
Nitric acid
d)
Chlorine gas
8.
H2So4 represents
a)
Sulphuric Acid
b)
Hydrochloric Acid
c)
Nitric acid
d)
Sulphurus Acid
9.
HNo3 represents
a)
Sulphuric Acid
b)
Hydrochloric Acid
c)
Nitric acid
d)
Nitrous Acid
10.
H3Po4 represents
a)
Sulphuric Acid
b)
Hydrochloric Acid
c)
Nitric acid
d)
Phosphoric acid
11.
NaNo3 represents
a)
Sodium Hydroxide
b)
Sodium Chloride
c)
Sodium Nitrite
d)
Sodium Nitrate
12.
MgO represents
a)
Magnesium Hydroxide
b)
Magnesium Chloride
c)
Magnesium Oxide
d)
Sodium Nitrate
13.
Chemical Formula used for Ferrous oxide is
a)
FeO
b)
Fe2O3
c)
FeSo4
14.
Chemical Formula used for Ferric oxide is
a)
FeO
b)
Fe2O3
c)
FeSo4
15.
Chemical Formula used for Aluminium oxide is
a)
AlO
b)
Al2O3
c)
AlO4
d)
AlO2
16.
Chemical Formula used for Aluminium Chloride is
a)
AlCl2
b)
Al2Cl
c)
AlCl3
d)
AlCl
17.
Chemical Formula used for Aluminium Sulphate is
a)
AlSo2
b)
AlSo4
c)
Al(So4)3
d)
Al2(So4)3
18.
Chemical Formula used for Zinc Nitrate is
a)
ZnNo3
b)
Zn(No3)2
c)
ZnNo
d)
ZnN
19.
NaCl is
a)
Base
b)
Acid
c)
salt
20.
NaOH is
a)
Base
b)
Acid
c)
salt
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