
негіздер
Authored by Айнур Сейтханова
Chemistry
10th Grade
Used 21+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 6 pts
Негіздер қатарын белгіле:
LiOH, AI(OH)3 CuO
NaOH
Zn(OH)2 Fe(OH)2,
Са(OH)2
СаО
Ва(ОН)2
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Суда еритін негіздер басқаша қалай аталады?
гидроксидтер
оксидтер
сілтілер
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Сілтілік ортада лакмус түсі:
қызарады
көгереді
өзгермейді
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Суда ерімейтін негіздерді алуға тән реакция:
CuCI2+2NaOH→
Cu(OH)2 +2 NaCI
2K+2H2O→2KOH +H2
Na2O+H2O→ 2NaOH
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Негіздерге тән қасиеттер:
қышқылмен,
сілтілермен әрекеттесу
тұздармен, негіздік оқсидтермен әрекеттесу
қышқылдармен, қышқылдық оксидтермен әрекеттесу
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Натрий гидроксидіндегі натрийдің массалық үлесі % :
56
57,5
55
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ерімейтін негіздерге ғана тән қасиетті сипаттайтын химиялық реакция теңдеуі:
KOH + HCI→KCI + H2O
Cu(OH)2 +H2SO4→CuSO4+2H2O
Fe(OH)2→FeO+
H2O
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