Wiązania i reakcje chemiczne
1st Grade
•13 Qs
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Wiązania i reakcje chemiczne
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Hard
Anna Nowak
Used 218+ times
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13 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Związek o wzorze sumarycznym Fe2O3 to
Tlenek żelaza (II)
Tlenek żelaza
Tlenek żelaza (III)
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Które z podanych substancji mają w cząsteczce wiązanie jonowe?
CaBr2
SO3
K2S
N2
H2
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
Związek o wzorze sumarycznym NO2 to ...(podaj nazwę)
4.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Uzupełnij współczynniki chemiczne w równaniu:
P2O5 + C = P + CO2
W odpowiedzi podaj tylko odpowiednie liczby (np. 8, 3, 1, 1)
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Oblicz, ile gramów azotu potrzeba do reakcji z tlenem, aby otrzymać 27 g tlenku azotu (II).
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
Napisz za pomocą symboli i wzorów równanie reakcji:
tlenek chromu (VI) + węgiel = chrom + tlenek węgla (IV).
7.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
Oblicz stosunek masowy azotu do tlenu w tlenku azotu (I).
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