ZWIĄZKI WĘGLA Z WODOREM
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Hard
Aneta Szpara
Used 1K+ times
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20 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
1. Podkreśl wzory sumaryczne związków organicznych.
CH4
NaCl
CO2
C6H12O6
C3H8
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
2. Zaznacz źródło węglowodorów
CUKRY
BIAŁKA
TŁUSZCZE
ROPA NAFTOWA
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3. Wskaż zestaw zawierający nazwy odmian alotropowych węgla.
a) antracyt, grafit, sadza
b) torf, diament, grafit
c) grafit, węgiel kamienny, węgiel brunatny
d) grafit, diament, fulereny
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
4. Zaznacz wzory sumaryczne alkanów.
C4H8
C2H2
C3H8
C6H8
C2H6
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
5. Zaznacz właściwości fizyczne metanu:
gaz
bezwonny
bezbarwny
ma gęstość mniejszą od gęstości powietrza
mało reaktywny chemicznie
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
6. Wskaż równanie reakcji chemicznej przedstawiające spalanie niecałkowite metanu, w wyniku którego powstaje czad.
CH4 + O2 -> C + 2 H2O
CH4 + O2 -> CO + 2 H2O
CH4 + 2 O2 -> CO2 + 2 H2O
2 CH4 + 3 O2 -> 2 CO + 4 H2O
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
7. Zaznacz poprawnie zapisane równanie reakcji spalania całkowitego butanu
2 C4H10 + 5 O2 → 8 C + 10 H2O
2 C4H10 + 13 O2 → 8 CO2 + 10 H2O
2 C2H6 + 5 O2 → 4 CO + 6 H2O
C4H10 + 7 O2 → 4 CO2 + 5 H2O
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