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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ZnCl2+H2O=... гидролиз теңдеуін аяқтаңыз және рН көрсетіңіз
ZnOHCl+HCl, pH<7
ZnOHCl+HCl, pH<8
ZnOHCl+HCl, pH<11
ZnOHCl+HCl, pH<12
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
СН3COONH4+H2O==... закончите уравнение гидролиза и укажите рН
CH3COOH+NH4OH,pH=5
CH3COOH+NH4OH,pH=8
CH3COOH+NH4OH,pH=7
CH3COOH+NH4OH,pH=9
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Құрамында көмір бөлшектері бар аэрозольдер қандай ауруды тудырады?
Антракоз
Пневмония
Бронхит
Астма
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Полимердің ісіну дәрежесінің формуласы қандай?
аm = m-m0/m0
аm = m+m0/m0
аm = m/m0
аm0 = m-m0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Берілген теңдеулердің қайсысы Галлер теңдеуі болып табылады?
π=(CRT/М)+КС2
π=(CRT+М)
π=CRT
π=(CRT-КС2)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Берілген формулалардың қайсысы арқылы ерітінді титрін есептеуге болады?
Т = Сн • Mэ / 1000
Т = Сн / Mэ
Т = Сн • 1000
Т = Mэ * 1000 / Сн
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Келесі процестердің қайсысы бейтараптандыруға жатады?
H+ + OH- =H2O
H++OH→H3O2
H++OH→H2O2
H++OH→HO2
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