
Gazy - powtórka
Authored by Marcin Nowak
Chemistry
7th Grade
Used 3+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki jest symbol chemiczny wodoru?
W
He
Hy
H
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wodór w przyrodzie występuje jako:
cząsteczka H₂
atom H
jony H⁺ i H⁻
cząsteczka H₃
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Która z metod służy do otrzymywania wodoru?
spalanie wodoru
spalanie amoniaku
elektroliza wody
łączenie helu z tlenem
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wodór jest stosowany do:
wytwarzania glukozy
pasteryzacji mleka
produkcji margaryny
destylacji ropy naftowej
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ile procent powietrza stanowi azot?
78%
21%
50%
10%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaki typ wiązania chemicznego łączy atomy azotu w cząsteczce N₂?
kowalencyjne spolaryzowane
kowalencyjne niespolaryzowane
metaliczne
jonowe
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dlaczego azot jest ważny dla organizmów żywych?
służy do oddychania komórkowego
wchodzi w skład aminokwasów i DNA
jest źródłem światła
tworzy chlorofil
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