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Worksheets

Basic Chemical Formula

Total questions: 32

Worksheet time: 11mins

Name
Class
Date
1.

What is the formula of the following compound?


Ammonium sulphate

a)

NH3SO4

b)

(NH3)2SO4

c)

NH4SO4

d)

(NH4)2SO4

2.

What is the formula of the following compound?


Sodium carbonate

a)

NaCO3

b)

Na2CO3

c)

Na(Co3)2

d)

Na2Co3

3.

What is the formula of the following compound?


Calcium carbonate

a)

CaCO3

b)

Ca2CO3

c)

Ca(Ca3)2

d)

Ca2Ca3

4.

What is the formula of the following compound?


Magnesium nitrate

a)

MaNi3

b)

Ma(Ni3)2

c)

Mg(NO3)2

d)

MgNO3

5.

What is the formula of the following compound?


Potassium manganate(VII)

a)

KMnO4

b)

K2MnO4

c)

K(MaO4)2

d)

K(MnO)4

6.

What is the formula of the following compound?


Potassium dichromate(VI)

a)

KCr2O7

b)

K2Cr2O7

c)

K2(Cr2O7)2

d)

K3Cr2O7

7.

What is the formula of the following compound?


Sulphuric acid

a)

HSO4

b)

H(SO4)2

c)

H2SO4

d)

H3SO4

8.

What is the formula of the following compound?


Nitric acid

a)

H2NO2

b)

HNO2

c)

H2NO3

d)

HNO3

9.

What is the chemical Equation of the following reaction?


Zinc metal react with copper(II) sulphate

a)

2Zn + Cu2SO4 → Zn2SO4 + 2Cu

b)

Zn + CuSO4 → ZnSO4 + Cu

c)

Zn + Cu(SO4)2→ Zn(SO4)2 + Cu

d)

Zn2 + Cu2SO4 → Zn2SO4 + Cu2

10.

What is the formula of the following compound?


Iron(II) hydroxide

a)

Fe2OH

b)

FeOH

c)

Fe(OH)2

d)

FeOH2

11.

What is the formula of the following compound?


Ammonium hydroxide

a)

NH4OH2

b)

NH4(OH)2

c)

NH4OH

d)

(NH4)2OH

12.

What is the chemical name of the following compound?


Fe2(CO3)3

a)

Iron(II) carbonate

b)

Iron (II) carbonate

c)

Iron(III) carbonate

d)

Iron (III) carbonate

13.

What is the chemical name of the following compound?


H3PO4

a)

Hydrogen(III) phosphate

b)

Hydrogen phosphate

c)

Phosphoric acid

d)

Phosphate acid

14.

What is the chemical name of the following compound?


MgCl2

a)

Magnesium chlorine

b)

Magnesium chloride

c)

Magnesium(II) chlorine

d)

Magnesium(II) chloride

15.

What is the chemical name of the following compound?


Cu(NO3)2

a)

Copper (I) nitrate

b)

Copper(I) nitrate

c)

Copper(II) nitrate

d)

Copper (II) nitrate

16.

What is the chemical name of the following compound?


Ag2SO4

a)

Silver sulphate

b)

Silver (II) sulphate

c)

Silver(II) sulphate

d)

Silver sulphite

17.

What is the chemical name of the following compound?


AlBr3

a)

Aluminium bromine

b)

Aluminium bromide

c)

Aluminium(III) bromine

d)

Aluminium(III) bromide

18.

What is the chemical name of the following compound?


Zn(NO3)2

a)

Zinc nitrate

b)

Zinc nitrate(II)

c)

Zinc(II) nitrate

d)

Zinc nitrate(I)

19.

What is the chemical name of the following compound?


K2CO3

a)

Sodium carbonate

b)

Potassium carbonate

c)

Sodium(II) carbonate

d)

Potassium(II) carbonate

20.

What is the chemical name of the following compound?


CaCO3

a)

Calcium carbonate

b)

Calcium carbonate(III)

c)

Calcium(I) carbonate

d)

Calcium carbonate(II)

21.

Identify the ions in the following compound?


Calcium sulphate

a)

Ca+ & SO-

b)

Ca2+ & SO2-

c)

Ca+ & SO4-

d)

Ca2+ & SO42-

22.

Identify the ions in the following compound?


Hydrochloric acid

a)

H- & Cl2-

b)

H2+ & Cl-

c)

H+ & Cl-

d)

H2+ & Cl2-

23.

Identify the ions in the following compound?


Potassium carbonate

a)

P+ & Co32-

b)

P+ & Co3-

c)

K+ & CO3-

d)

K+ & CO32-

24.

Identify the ions in the following compound?


Ammonium sulphate

a)

Al+ & So42-

b)

Al3+ & SO42-

c)

NH4+ & So42-

d)

NH4+ & SO42-

25.

Identify the ions in the following compound?


Lead(II) nitrate

a)

Le2+ & NO4-

b)

Le2+ & NO32-

c)

Pb2+ & NO4-

d)

Pb2+ & NO3-

26.

What is the chemical name & formula formed between:


sodium and oxygen

a)

NaO, sodium oxygen

b)

NaO, sodium oxide

c)

Na2O, sodium oxide

d)

Na2O, sodium oxygen

27.

What is the chemical name & formula formed between:


Magnesium and Iodine

a)

MgI, Magnesium iodine

b)

MgI, Magnesium iodide

c)

MgI2, Magnesium iodine

d)

MgI2, Magnesium iodide

28.

What is the chemical name & formula formed between:


Nitrogen and Hydrogen

a)

N3H, Ammonia

b)

N3H, Nitrogen hydrogen

c)

NH3, Nitrogen hydrogen

d)

NH3, Ammonia

29.

Write the chemical Equation & Name the following reaction?


Hydrochloric acid react with Potassium hydroxide

a)

HCl + KOH → KCl + H2O (Neutralisation)

b)

HCl + KOH → KCl + H2O (Precipitation)

c)

HCl + K(OH)2 → KCl2 + H2O (Neutralisation)

d)

HCl + K(OH)2 → KCl2 + H2O (Precipitation)

30.

Write the chemical Equation & Name the following reaction?


Ammonium sulphate react with Lead(II) nitrate

a)

(NH4)2SO4 + Pb(NO3)2→ PbSO4 + 2NH4NO3 (Precipitation)

b)

(NH4)2SO4 + Pb(NO3)2→ PbSO4 + 2NH4NO3 (Displacement)

c)

NH4SO4 + PbNO3→ PbSO4 + NH4NO3 (Precipitation)

d)

NH4SO4 + PbNO3→ PbSO4 + NH4NO3 (Displacement)

31.

Write the chemical Equation & Name the following reaction?


Sulphuric acid react with Potassium hydroxide

a)

H2SO4 + 2KOH → K2SO4 + 2H2O (Combustion)

b)

H2SO4 + 2KOH → K2SO4 + 2H2O (Neutralisation)

c)

HSO4 + KOH → KSO4 + H2O (Combustion)

d)

HSO4 + KOH → KSO4 + H2O (Neutralisation)

32.

Choose the CORRECT reaction (Answer may be more than one):

a)

Mg + FeCl2 → MgCl2 + Fe

b)

Zn + CaCl2 → ZnCl2 + Ca

c)

Sn + CuSO4 → SnSO4 + Cu

d)

3Pb + Al(NO3)3 → 3PbNO3 + Al