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Worksheets

criss cross

Total questions: 80

Worksheet time: 45mins

Name
Class
Date
1.

The formula of sodium sulphate is

a)

NaSO4

b)

Na2SO4

c)

Na(SO4)2

d)

Na2(SO4)3

2.

The formula of silver nitrate is

a)

AgNO3

b)

Ag2NO3

c)

Ag(NO3)2

3.

The name of Cu(OH)2 is

a)

copper hydroxide

b)

copper(I) hydroxide

c)

copper(II) hydroxide

4.

The formula of ammonium ion is

a)

NH3

b)

NH3+

c)

NH4

d)

NH4+

5.

The formula of iron(II) hydroxide is

a)

FeOH2

b)

FeOH

c)

Fe(OH)2

d)

Fe(OH)3

6.

The name of KHCO3 is

a)

potassium carbonate

b)

potassium hydrogencarbonate

7.

The formula of sodium carbonate is

a)

NaCO3

b)

Na(CO3)2

c)

Na2CO3

8.

The formula of calcium hydroxide is

a)

CaOH

b)

Ca(OH)2

c)

Ca(OH)3

9.

The formula of magnesium chloride is

a)

MgCl

b)

MgCl2

c)

MgCl3

10.

The formula of iron(III) oxide is

a)

FeO

b)

FeO2

c)

Fe2O

d)

Fe2O3

11.

The formula of sulphuric acid is

a)

HSO4

b)

H2SO4

c)

H2SO3

d)

H2SO3

12.

The formula of copper(II) oxide is

a)

CuO

b)

Cu2O

c)

CuO2

13.

What is the chemical formula of Magnesium chloride?

Apakah formula kimia bagi magnesium klorida?

a)

MgCl

b)

MgCl2

c)

MgC

d)

MgC2

14.

What is the chemical formula of sodium sulfate?

Apakah formula kimia bagi natrium sulfat?

a)

SSO4

b)

SoSO4

c)

NaSO4

d)

Na2SO4

15.

What is the name of this chemical, H2SO4?

Apakah nama bagi bahan kimia, H2SO4?

a)

Hydrogen sulfate

b)

Sulfuric acid

c)

Sulfate

d)

Sulfate hydrogen

16.

What is the formula of Copper (II) oxide?

Apakah formula kuprum(II) oksida?

a)

CUO

b)

CuO

c)

CuO2

d)

Cu2O

17.

What is the formula of nitric acid?

Apakah formula asid nitrik?

a)

H2SO4

b)

HNO3

c)

HCl

d)

hno3

18.

Which of the following compound is not an acid?

Antara yang berikut sebatian manakah yang bukan asid?

a)

HCl

b)

H2SO4

c)

HNO3

d)

CH4

19.

How many atoms are there in the compound MgCO3?

Berapakah bilangan atom yang terdapat di dalam MgCO3?

a)

3

b)

4

c)

5

d)

6

20.

The formula of iron(III) oxide is

Formula bagi ferum(III) oksida ialah

a)

FeO

b)

FeO2

c)

Fe2O

d)

Fe2O3

21.

The formula of calcium hydroxide is

Formula bagi kalsium hidroksida ialah

a)

CaOH2

b)

Ca(OH)2

c)

Ca(OH)3

22.

The formula of sodium carbonate is

Formula bagi natrium karbonat ialah

a)

NaCO3

b)

Na(CO3)2

c)

Na2CO3

23.

The name of KHCO3 is

Nama bagi KHCO3 ialah

a)

potassium carbonate

b)

potassium hydrogencarbonate

24.

The formula of iron(II) hydroxide is

Formula bagi Ferum(II) hidroksida ialah

a)

FeOH2

b)

FeOH

c)

Fe(OH)2

d)

Fe(OH)3

25.

The formula of ammonium ion is

Formula bagi ion ammonium ialah

a)

NH3

b)

NH3+

c)

NH4

d)

NH4+

26.

The name of Cu(OH)2 is

a)

copper hydroxide

b)

copper(I) hydroxide

c)

copper(II) hydroxide

27.

The formula of silver nitrate is

Formula bagi agentum nitrat ialah

a)

AgNO3

b)

Ag2NO3

c)

Ag(NO3)2

28.

Formula of compound formed between Sodium and Oxygen

a)

Na₂O

b)

NaO

c)

NaO₂

d)

NA₂O

29.

Formula of compound formed between Zinc and Oxygen

a)

ZNO

b)

ZnO

c)

Zn₂O

d)

ZnO₂

30.

Formula of compound formed between Silver and Chlorine

a)

AgCL

b)

AgCl₂

c)

AgCl

d)

Ag₂Cl

31.

Formula of compound formed between Calcium and Oxygen

a)

Ca₂O₂

b)

CaO

c)

Ca₂O

d)

CaO₂

32.

Formula of compound formed between Aluminium and Fluorine

a)

AlF

b)

AlF₃

c)

Al₃F

d)

AlF₂

33.

Name of compound formed between Sodium and Oxygen

a)

Sodium oxygen

b)

Sodium hydroxide

c)

Sodium oxide

34.

Name of compound formed between Zinc and nitrogen

a)

Zinc nitrate

b)

Zinc nitrite

c)

Zinc nitride

35.

Formula of compound formed between Aluminium and Sulfur

a)

Al₂S₃

b)

Al₃S₂

c)

Al₂S

d)

Al₂S₂

36.

Name of compound formed between Aluminium and Sulfur

a)

Aluminium sulfide

b)

Aluminium sulfite

c)

Aluminium sulfate

37.

Formula of compound formed between Carbon and Oxygen

a)

CO

b)

CO₃

38.

Name of compound formed between Carbon and Oxygen

a)

Carbon oxide

b)

Carbon monoxide

39.

Formula of compound formed between Lithium and Nitrogen

a)

Li₃N

b)

LiN

c)

LiN₃

d)

LiN₂

40.

Formula of compound formed between Barium and Sulfur

a)

BaS

b)

BaS₂

c)

Ba₂S

d)

Ba₂S₂

41.

Magnesium Nitrate

a)

Mg(NO3)2

b)

Mg (NO3)3

c)

Mg (NO3)

42.

Lead Nitrate

a)

PB(NO3)2

b)

Pb(NO3)2

c)

Pb(NO3)

43.

Sodium Hydroxide

(a)  

44.

Calcium Hydroxide

a)

Ca(OH)

b)

CaH2

c)

Ca(OH)2

45.

Barium Chloride

a)

BaCL2

b)

BaCl2

c)

BaCl

46.

Na2SO4

a)

Sodium Sulphate

b)

Sodium Sulphite

c)

Sodium Sulphide

47.

CaO

a)

Calcium oxalate

b)

Carbondioxide

c)

Calcium Oxide

48.

(NH4)OH

a)

Ammonium Hydroxide

b)

Aluminium Hydroxide

c)

Ammonium Peroxide

49.

Calcium Phosphate

a)

Ca2(PO4)2

b)

Ca3(PO4)2

c)

Ca2(PO4)2

50.

Zinc Oxide

a)

ZnO

b)

Zn2O2

c)

ZnO2

51.

Aluminium chloride

a)

Al2O

b)

AlO2

c)

Al2O3

d)

Al3O2

52.

Aluminium nitrate

a)

AlNO3

b)

Al(NO3)2

c)

Al(NO3)3

d)

Al2(NO3)2

53.

Aluminium sulphate

a)

AlS

b)

Al2S3

c)

Al2(SO4)3

d)

AlSO4

54.

Sodium Carbonate

a)

NaCO3

b)

Na2CO3

c)

Na3CO3

d)

Na2(CO3)3

55.

Potassium carbonate

a)

P2CO3

b)

P(CO3)2

c)

K2CO3

d)

K(CO3)2

56.

Hydrochloric acid

a)

HCl

b)

HCl2

c)

H2Cl3

d)

H2Cl

57.

Barium chloride

a)

BaCl

b)

Ba2Cl

c)

BaCl2

d)

Ba2Cl3

58.

Copper (II) sulphate

a)

CuSO4

b)

Cu2SO4

c)

Cu(SO4)2

d)

Cu2(SO4)2

59.

Iron (II) sulphide

a)

FeS

b)

Fe2S

c)

FeS2

d)

Fe2S3

60.

Ammonium nitrate

a)

NH4NO3

b)

NH4(NO3)2

c)

(NH4)2NO3

d)

(NH4)3(NO3)2

61.

Write the name for NaCl

(a)  

62.

Write the name for KNO3.

(a)  

63.

Write the name for Ag2CO3.

(a)  

64.

Write the name of CaO.

(a)  

65.

The name of the chemical with formulae MgSO4 is (a)   .

66.

What is the chemical formula of Magnesium chloride?

a)

MgCl

b)

MgCl2

c)

MgC

d)

MgC2

67.

What is the chemical formula of sodium sulfate?

a)

SSO4

b)

SoSO4

c)

NaSO4

d)

Na2SO4

68.

What is the name of this chemical, H2SO4?

a)

Hydrogen sulfate

b)

Sulfuric acid

c)

Sulfate

d)

Sulfate hydrogen

69.

What is the formula of Copper (II) oxide?

a)

CUO

b)

CuO

c)

CuO2

d)

Cu2O

70.
Element or compound?
H2O
a)
element
b)
compound
71.
Which is the correct formula for:
 three hydrogen (H)
one sulfur (S)
four oxygen (O)
a)
H3SO4
b)
HSO4
c)
H4S3O
d)
H2O
72.
Which is the correct formula for:
one carbon (C)
two oxygen (O)
a)
CO2
b)
CO
c)
C2O
d)
2CO
73.
Black = Carbon (C)
White = Hydrogen (H)
What would be the formula for ethane?
a)
CH4
b)
CH6
c)
C2H2
d)
C2H6
74.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
75.

The formula of iron(III) oxide is

a)

FeO

b)

FeO2

c)

Fe2O

d)

Fe2O3

76.

The formula of calcium hydroxide is

a)

CaOH

b)

Ca(OH)2

c)

Ca(OH)3

77.

The formula of sodium carbonate is

a)

NaCO3

b)

Na(CO3)2

c)

Na2CO3

78.

The name of KHCO3 is

a)

potassium carbonate

b)

potassium hydrogencarbonate

79.

The formula of iron(II) hydroxide is

a)

FeOH2

b)

FeOH

c)

Fe(OH)2

d)

Fe(OH)3

80.

The formula of ammonium ion is

a)

NH3

b)

NH3+

c)

NH4

d)

NH4+

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