зачет по основным классам неорганики
Quiz
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
Ксюша Бендюкевич
Used 1+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CuS + HCl =
CuCl2 + H2S
реакция не идет
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
FeS + HCl =
FeCl2 + H2S
реакция не идет
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
на какой картинке оксид меди(I)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Na2CO3 + Al2O3 при t
Na[Al(OH)4] + CO2
реакция не идет
NaAlO2 + CO2
Al(OH)3 + NaHCO3
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
CO2(р-р) + Na2SiO3 =
*если реакция не идет, поставьте прочерк
**если реакция идет, то напишите образующиеся вещества, разделив их плюсом, без пробелов, начиная с формулы соли
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
SiO2 + Na2CO3(р-р) =
*если реакция не идет, поставьте прочерк
**если реакция идет, то напишите образующиеся вещества, разделив их плюсом, без пробелов, начиная с формулы соли
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
SiO2 + CaCO3 при t =
*если реакция не идет, поставьте прочерк
**если реакция идет, то напишите образующиеся вещества, разделив их плюсом, без пробелов, начиная с формулы соли
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