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АНГЛ ХИМИЯ 151-200

Total questions: 50

Worksheet time: 50mins

Name
Class
Date
1.

Calculate me  (1/z N2O5)

a)

10,8

b)

108

c)

9,2

d)

8,3

e)

5,4

2.

In what group alkali-earth metals are located in the table of D.I.Mendeleev?

a)

I A

b)

II A

c)

III A

d)

VII A

e)

VIII A

3.

Specify the Avogadro number - NA

a)

6,02·10-23

b)

6,02·1010

c)

6,02·1023

d)

6,02·1015

e)

6,02·10-10

4.

Calculate the volume of carbonic gas that’s quantity is 0, 2 moles

a)

12

b)

18

c)

24

d)

4,4

e)

44

5.

calculate the molar weight of nitrate of sodium

a)

63

b)

18

c)

32

d)

58

e)

85

6.

Specify the formula of calcium hydroxide chloride

a)

CaOHCl

b)

CaCl2

c)

Ca(OH)2Cl

d)

CaCl

e)

Ca2Cl2

7.

Finish the equation of reaction and specify substance – х: Na + H2O→ x +H2O

a)

Na2O

b)

NaOH

c)

NaO

d)

Na(OH)2

e)

Na2O2

8.

Specify amphoterous oxides

a)

CuO;Na2O

b)

ZnO;CO2

c)

Al2O3;ZnO

d)

Na2O;Fe2O3

e)

FeO;P2O5

9.

Calculate the molar weight of an equivalent for Fe₂ O₃

a)

17,8

b)

21,1

c)

7,8

d)

26,7

e)

15,5

10.

Specify the molar volume of an equivalent for hydrogen

a)

22,4

b)

44,8

c)

11,2

d)

2,3

e)

11,2

11.

Calculate a mass part of chlorine in  HClO4

a)

35%

b)

42%

c)

53%

d)

77%

e)

15%

12.

In what group are located halogens in D.I.Mendeleyev's table ?

a)

VII A

b)

VI A

c)

I A

d)

II A

e)

VII A

13.

Specify the molar volume - Vm at n.c.

a)

2,24

b)

224

c)

22,4

d)

0,224

e)

0,02

14.

Calculate the weight of ortophosphorous acid that's quantity is 0,3 mole

a)

98

b)

101

c)

294

d)

29,4

e)

35,5

15.

Calculate the molar weight of orthophosphate of calcium

a)

110

b)

212

c)

216

d)

392

e)

310

16.

Specify the formula - potassium hydrosulphate

a)

KHSO4

b)

K2SO4

c)

K2SO3

d)

K2S

e)

KSO4

17.

Finish the equation of reaction and specify substance - х

Ca(OH)2 +H3PO4 → x + H2O

a)

CaPO4

b)

Ca3(PO4)2

c)

Ca3(PO3)2

d)

Ca3P2

e)

CaPO4

18.

Specify the sour salt

a)

Na3PO4

b)

Na2S

c)

NaH2PO4

d)

NaCl

e)

NaJ

19.

Calculate the molar weight of an equivalent for Al(OH)3

a)

15

b)

18

c)

21

d)

28

e)

54

20.

Specify the relative density for H₂ S on hydrogen

a)

2

b)

34

c)

35

d)

11

e)

17

21.

Calculate a mass part of phosphorus in Р2О5

a)

44%

b)

17%

c)

51%

d)

63%

e)

74%

22.

Specify a carbonate – ion

a)

CO-3

b)

CO2-3

c)

CO-2

d)

CO3-3

e)

CO

23.

Define a degree of oxidation of silicon in silicate of sodium

a)

-2

b)

-4

c)

+4

d)

+1

e)

+2

24.

Specify number of neutrons for atom of potassium

a)

5

b)

21

c)

39

d)

20

e)

19

25.

Calculate the molar weight of an equivalent for H₃PO₄ on reaction: КОН + Н3РО4= КНРО4 + Н2О

a)

54

b)

98

c)

43

d)

57

e)

49

26.

Weight of 1 liter of gas at n.c. is equal to 1,52г. the molar weight makes

a)

34 g/mole

b)

17 g/mole

c)

68 g/mole

d)

16 g/mole

e)

102 g/mole

27.

What electronic formula corresponds to atom of oxygen

a)

1S22S22p3

b)

1S22S22p5

c)

1S22S22p4

d)

1S22p6

e)

1S22S22p1

28.

What type of hybridization of nuclear orbital of Ве for molecule ВеF2

a)

Sp2

b)

Sp

c)

Sp3

d)

S2p

e)

Sp3d2

29.

The valence angle at Sp-hybridization is equal to

a)

109

b)

120

c)

220

d)

180

e)

360

30.

Specify the name of the salt NaHSO4

a)

sulphate of sodium

b)

sulphide of sodium

c)

hydroxosulphate of sodium

d)

sulphosodium

e)

hydrosulphate of sodium

31.

Specify the chloride-ion

a)

Cl-

b)

Cl2-

c)

Cl02

d)

Cl4-

e)

ClO-4

32.

Define a degree of oxidation of bromine in bromide of potassium

a)

-3

b)

-1

c)

+1

d)

+5

e)

+7

33.

Specify a maximum quantity of electrons at the first energy level

a)

8

b)

18

c)

2

d)

32

e)

38

34.

Calculate Мэ (1/z H2CO3 ) on reaction: NaOH + H2CO3 → NaHCO3 + H2O

a)

43

b)

54

c)

37

d)

62

e)

68

35.

Specify the value relative density of oxide of nitrogen (ІІ) by hydrogen

a)

5

b)

10

c)

12

d)

20

e)

15

36.

Number of the electrons on an external energy p-sublevel of atom of chlorine is equal to

a)

5

b)

1

c)

3

d)

6

e)

7

37.

What is type of hybridization of atom orbital C for a molecule С2Н6

a)

Sp

b)

Sp3

c)

Sp2

d)

S2p

e)

Sp2d

38.

Specify a symbol of an element with the greatest radius of atom

a)

H

b)

M

c)

Cs

d)

Na

e)

Be

39.

What quantity of substance oxide sulphurs (VI) that’s weight is 12g  contains in

a)

0,1

b)

0,2

c)

0,31

d)

0,15

e)

0,45

40.

How many power levels the atom with a serial number 8 has

a)

1

b)

3

c)

8

d)

4

e)

2

41.

In what group halogens in D.I.Mendeleyev's table are located

a)

I A

b)

VII A

c)

II Б

d)

VI A

e)

VII A

42.

Specify the molecular weight of air

a)

29 g/mole

b)

2g/mole

c)

16 g/mole

d)

32 g/mole

e)

24 g/mole

43.

Calculate the volume of nitrogen that's quantity is 0, 2 moles

a)

28

b)

56

c)

4,48

d)

14

e)

0,56

44.

Calculate the molecular weight of sulphate of iron (ІІ)

a)

108

b)

110

c)

220

d)

152

e)

315

45.

Specify the formula of a carbonate of sodium

a)

Na(CO3)2

b)

NaC

c)

NaCO2

d)

NaCO3

e)

Na2CO3

46.

Finish the equation of reaction and specify substance – х: КОН + Н2СО3 →х + Н2О

a)

K2CO3

b)

K2C

c)

KCO3

d)

KCO2

e)

KHCO3

47.

Specify the multibasic acids

a)

HCl;H2S

b)

H2SO4;H3PO4

c)

H2S;HBr

d)

H3PO4;HCl

e)

HJ;H2SiO3

48.

Calculate the molar weight of an equivalent for H2SO4

a)

98

b)

980

c)

49

d)

9,8

e)

0,98

49.

Specify the formula for calculation of quantity of structural units (N) at n ≠ 1

a)

N=NA

b)

N=NA/n

c)

N=n/NA

d)

N=n·NA

e)

N=n

50.

Calculate the mass part of sulphur in H2SO4

a)

33%

b)

42%

c)

57%

d)

64%

e)

73%

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