
Junginių klasės"
Quiz
•
Chemistry
•
2nd Grade
•
Practice Problem
•
Hard
Elvyra Ajauskaite
Used 15+ times
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16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurios medžiagos reakcijoje su vandeniu lakmusas įgaus raudoną spalvą?
P2O5
NaCl
SiO2
CuO
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Kurioms medžiagoms atmosferoje reaguojant su vandeniu susidaro rūgštusis lietus? (Du atsakymai)
SO2
NH3
NaCl
H2S
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kuri rūgšties formulė atitinka SO2 oksidą?
H2SO4
H2SO3
H2S
HSO4-
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurioje eilutėje pateiktos tik šarmų formulės
NaoH, KOH, Ba(OH)2, LiOH
Fe2O3, MgO, CuO, KOH
Fe(OH)3, Cu(OH)2, Mg(OH)2, NaOH
CaO, BaO, NaOH, Ca(OH)2,
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurioje eilutėje išvardinti oksidai reaguos tik su rūgštimis?
Al2O3, CuO, MgO, CaO
K2O, Na2O, CaO, SO2
FeO, CO2, P2O5, SO3
Na2O, SiO2, CuO, MgO
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurios medžiagos reakcijoje su vandeniu išsiskirs vandenilio dujos?
CaO
CuO
Fe2O3
Ca
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurioje eilutėje tik su šarmais reaguojančių oksidų formulės?
CuO, CaO,2
Fe2O3, SO2, P2O5, ZnO
SO2, P2O5, CO2, SO3
CO2, P2O5, SO3 ,MgO
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