
Химия-71,81
Authored by Rakhmatzhon Ergashbaev
Chemistry
Professional Development
Used 1+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ерітіндісінде фенолфталеин индикаторының түсі таңқурай түсті болатын қосылыс
H2SO4
HCl
K2CO3
NaCl
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Бір моль натрий фосфатын суда еріткенде, тұз толық диссоциацияланса, түзілген натрий ионының молі
1
4
5
3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
SO42- анионына сапалық реакция
A) Na2SO4+2HCl= 2NaCl+H2SO4
B) BaCl2+Na2SO4=BaSO4+2NaCl
C) Ba3(PO4)2+NaCl=BaCl2+Na3PO4
D) Ca2SO4+Zn(NO3)2=Ca(NO3)2+ZnSO4
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fe2+ катионына сапалық реакция
FeSO4+2NaOH=Fe(OH)2+Na2SO4
Fe(OH)3 + 3HCl=FeCl3 + 3H2O
Fe(OH)2+H2SO4=FeSO4+H2O
Fe(NO3)3+3KOH=Fe(OH)3+3KNO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cl- анионына реактив болатын зат
индикатор
Алюминий гидроксиді
Күміс нитраты
Натрий оксиді
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сулы ерітіндіде тек анион бойынша гидролизденетін натрий тұзы
нитрат
силикат
хлорид
бромид
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Алюминий сульфаты ерітіндісінде лакмус индикаторының түсі
таңқурай
қызыл
сары
түссіз
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