Chemia- powtórzenie pierwiastki bloku s, p, d
Quiz
•
Chemistry
•
10th - 12th Grade
•
Practice Problem
•
Hard
Sandra Pancer
Used 31+ times
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37 questions
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1.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Zaznacz symbole metali, które mają mniejszą gęstość niż woda
K
Li
Ca
Na
He
2.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Symbol metalu, który po wprowadzeniu do płomieni palnika barwi się na zielono to:
Cu
K
Na
Be
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Zaznacz tlenki amfoteryczne
Al2O3
BeO
CaO
N2O
ZnO
4.
MULTIPLE SELECT QUESTION
20 sec • 1 pt
Aby otrzymać kwas metakrzemowy należy:
rozpuścić SiO2 w wodzie
Zmieszać roztwór Na2SiO3 z roztworem HCl
taki związek nie istnieje
Roztopić piasek
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Po dodaniu kwasu solnego do roztworu węglanu potasu można zaobserwować:
pęcherze gazu
strącenie osadu
zmianę barwy
charakterystyczny zapach
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Kto "zarumieni się" w zasadzie?
oranż metylowy
fenoloftaleina
lakmus
papierek uniwersalny
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wybierz poprawną nazwę systematyczną związku - K2MnO4
manganian(IV) potasu
manganian(VII) potasu
manganian(VI) potasu
mangan(IV) potasu
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