Acizi, baze, saruri, oxizi CDL PC
Authored by Shosha Stein
Chemistry
9th Grade
Used 28+ times
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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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