Free Printable Formule chimice

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Worksheets

Formule chimice

Total questions: 20

Worksheet time: 10mins

Name

Class

Date

1.

HCl

a)

Acid sulfuric

b)

Acid idhidric

c)

Acid clorhidric

d)

Acid percloric

2.

$H_2SO_4$

a)

Acid organic

b)

Acid sulfuric

c)

Acid sulfuros

d)

Acid sulfhidric ( hidrogen sulfurat)

3.

$H_3PO_4$

a)

Acid clorhidric

b)

Acid sulfuric

c)

Acid fosforic

d)

Acid fosforos

4.

$HNO_3$

a)

Acid azotos

b)

Acid azotic

c)

Acid fosforic

d)

Acid clorhidric

5.

Acidul fosforos are formula chimica....

a)

$H_3PO_4$

b)

$H_2SO_3$

c)

$HNO_3$

d)

$H_3PO_3$

6.

Recunoașteți acidul din formulele următoare:

a)

NaOH

b)

FeCl3

c)

NaCl

d)

HCl

7.

Care din formulele de mai jos NU este acid?

a)

HCl

b)

Mg(OH)2

c)

Ca(OH)2

d)

HBr

8.

Sunt acizi....

a)

HCl

b)

Na2SO4

c)

HI

d)

H2CO3

9.

Care din formulele de mai jos NU este acid?

a)

HCl

b)

Mg(OH)2

c)

Ca(OH)2

d)

HBr

10.

Formula chimică a oxidului de magneziu este:

a)

MgCO3

b)

MgO

c)

Mg(OH)2

d)

MgSO4

11.

H2CO3 se numeşte

a)

acid carbonic

b)

acid azotic

c)

carbonat de cupru

d)

bioxid de carbon

12.

Sulfat de aluminiu

a)

AlSO4

b)

Al2(SO4)3

c)

SAl2

d)

Al3(SO4)2

13.

Oxid de aluminiu

a)

OAl

b)

AlO

c)

Al3O2

d)

Al2O3

14.

Acid sulfuric

a)

H2SO4

b)

H2S

c)

HSO4

d)

HS

15.

Sunt săruri......

a)

CaCO3

b)

Al2(SO4)3

c)

CaO

d)

MgCl2

16.

Selectați baza dintre exemplele următoare

a)

NaHS

b)

KOH

c)

NaCl

d)

CaO

17.

Selectați acidul din exemplele următoare:

a)

CH_4

b)

NaHS

c)

$NH_3$

d)

HCl

18.

Trioxid de sulf

a)

SO3

b)

SO2

c)

H2SO3

d)

H2S3

19.

Clorura de natriu

a)

Na2Cl

b)

NaCl

c)

NaCl2

d)

NaClO

20.

SO3 este :

a)

baza

b)

acid

c)

oxid

d)

sare

Reset

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