8 клас. Основи. Їх склад та властивості.
Quiz
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Chemistry
•
8th Grade
•
Easy
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Місце опіку лугом слід промити великою кількістю води, а потім розчином:
соди
оцту
солі
спирту
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вкажіть формулу лугу.
KOH
CuOH
Fe(OH)3
Cr(OH)2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вкажіть, де назву основи складено не правильно
Mg(OH)2 магній гідроксид
Zn(OH)2 цинк гідроксид
Ba(OH)2 барій гідроксид
Pb(OH)2 плюмбум гідроксид
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вкажіть формулу основи.
H2SO4
P2O5
K2CO3
Mg(OH)2
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка сіль утвориться в результаті реакції
KOH + SO3 =
K2SO3
K2SO4
K2S
K2S2O3
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Вкажіть метал, який реагує з водою та утворює луг
Na
Ag
Mg
Al
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Яка реакція між основою і сіллю не протікає?
KOH + Zn(NO3)2 =
NaOH + FeCl3 =
NaOH + K3PO4 =
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