Minereuri (prioritatea 2)
Authored by Wayground Content
Chemistry
6th - 8th Grade
Used 2+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
dolomit
CaCO3.MgCO3
CaCO3
MgCO3
CaMg(CO3)2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
apa carbogazoasa
sol. H2CO3
sol. H2O
sol. CO2
sol. H2SO4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
alumina
Al2O3
AlO3
Al2O2
Al3O2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
silica, quartz, nisip (amorf)
What is the chemical formula for this compound?SiO2
H2O
NaCl
C6H12O6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
gips
CaSO4*2H2O
NaCl
MgSO4
K2SO4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
apa tare
HNO3
H2SO4
NaCl
C6H12O6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
calcopirita
CuFeS2 (Cu+ si Fe3+)
FeCuS2 (Fe2+ si Cu2+)
Cu2S (Cu+ si S2-)
FeS2 (Fe3+ si S2-)
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