
Химия 1
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Chemistry
University
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68 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Какие, из перечисленных соединений, относятся к основным оксидам: ВеО, В2О3, СО2, FeO, CaO, Cr2O3?
FeO, CaO
ВеО, Cr2O3
В2О3, ВеО
СО2, ВеО
СаО, Cr2O3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Какие, из перечисленных оксидов, относятся к кислотным оксидам: Na2O, CoO, Fe2O3, MnO2, BaO, SO2, SiO2?
SO2, SiO2
Na2O, BaO
CoO, SO2
MnO2, Na2O
CoO, BaO
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какие, из перечисленных оксидов, относятся к амфотерным: Cr2O3, Cl2O7, K2O, SO3, Al2O3?
Cr2O3, Al2O3
Cl2O7, K2O
K2O, SO3
Cr2O3, Cl2O7
K2O, Al2O3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какие, из перечисленных кислот, являются одноосновными: Н3РО4, H2Cr2O7, HNO3, H3BO3, HCl, H2MnO4?
HCl, HNO3
Н3РО4, H2MnO4
H2Cr2O7
HNO3, H3BO3
HCl, H2Cr2O7
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какие, из перечисленных кислот, являются трехосновными: H3BO3, Н3РО4, СН3СООН, Н2С2О4, HJ, H2Se?
H3BO3, Н3РО4
СН3СООН, H2Se
HJ, Н2С2О4
Н3РО4, H2Se
СН3СООН, HJ
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какие, из перечисленных кислот, являются двухосновными: H2SO4, НClО, НMnO4, Н3BО3, H2SiO3, H3PO4?
H2SiO3, H2SO4
НMnO4, H3PO4
Н3BО3, НClО
H3PO4, H2SO4
НMnO4, Н3BО3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
С какими, из перечисленных ниже веществ, будет реагировать соляная кислота: СаО, N2O5, Zn(OH)2, H3PO4, H2SO4, P2O5, SO3?
Zn(OH)2, CaO
N2O5, H3PO4
H2SO4, P2O5
SO3, H3PO4
CaO, N2O5
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