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Acizi, baze, saruri, oxizi CDL PC

Authored by Shosha Stein

Chemistry

9th Grade

Used 28+ times

Acizi, baze, saruri, oxizi CDL PC
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Acidul carbonic (H2CO3) este de tip:

a) monobazic

b) oxiacid

c) hidracid

d) tribazic

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Hidroxidul de sodiu (NaOH) este o bază:

a) insolubilă

b) slabă

c) lichidă

d) tare

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Oxidul de magneziu (MgO) este un oxid:

a) solubil în apă

b) acid

c) bazic

d) nemetalic

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Sarea acidă este reprezentată de:

a) NaHCO3

b) FeCl3

c) CuSO4

d) Al2S3

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Acidul azotos are următoarea formulă chimică:

a) H2NO2

b) HNO2

c) HNO3

d) H2NO3

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Alegeți doar oxizii bazici:

SO2

MnO2

CO

FeO

Na2O

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

Alegeți doar oxizii acizi:

CaO

CuO

NO2

P2O5

SiO2

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