
Термохимия және иондық реакциялар
Quiz
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Biology
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University
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Practice Problem
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Medium
Khalima Dauletbek
Used 3+ times
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97 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дұрыс жазылған термохимиялық теңдеуді табыңыз:
CuS(қ) + 2O2(г) = CuSO4(қ), H0 = –520 кДж/моль.
PbO + CO = Pb + CO2 + 64 кДж.
CuS + 2O2 = CuSO4 H0 = –520 кДж/моль.
PbO(қ) + CO = Pb(қ) + CO2 + 64 кДж.
2Al + 3Cl2 = 2AlCl3 H0 = –82 кДж/моль.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Дұрыс жазылған термохимиялық теңдеуді табыңыз:
2Al + 3Cl2 = 2AlCl3.
PbO + CO = Pb + CO2 + 64 кДж.
CuS + 2O2 = CuSO4 H0 = –520 кДж/моль.
4NH3(г) + 3O2(г) = 2N2(г) + 6H2O(с), ΔН=-1531 кДж.
2Al + 3Cl2 = 2AlCl3 H0 = –82 кДж/моль.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na2PbO2 сулы ерітіндіде қандай иондарға диссоциацияланады:
2Na+, PbO2 2–.
Na+, PbO3 2–.
Na2O, PbO2.
Na2O, PbO2 2-.
Na+, PbO3–.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Қай тұз гидролизге ұшырамайды:
K2S.
NaCl.
CuSO4.
AlCl3.
CuCl2.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Қай тұз гидролизге ұшырамайды:
K2S.
ZnCl2.
FeCl2.
AlCl3.
K2SO4.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Қай тұз гидролизге толығымен ұшырайды:
Na2SO4.
AlCl3.
K2SO4.
NaCl.
NaClO4.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Төменде келтірілген тұздардың қайсысы суда ерімейді:
Na2SO4.
AgCl.
KCl.
LiCl.
KNO3.
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