Równania reakcji chemicznych

Quiz
•
Chemistry
•
1st - 9th Grade
•
Medium
4 Mateusz Giza
Used 516+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2HCl
wodór + chlor --> wodorek chloru
tlen --> wodór(IV) -->chlor
tlen + chlorek = dwutlenek węgla
wodór + chlor --> chlorowodór
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Wybierz zapis słowny tego równania.
węgiel - tlen --> tlenek wegla (II)
węgiel + tlen = tlenek wegla (IV)
węgiel + tlen --> tlenek wegla (IV)
C + O2 --> CO2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
chlorek srebra(I) --> srebro + chlor
2AgCl --> 2Ag + Cl2
AgCl --> 2Ag +Cl
CO2 +H = Cl
2ClAg --> 2Ag + Cl2
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1N2 + __H2 --> 2NH3
4
3
9
2
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Tlenek miedzi(II) powstaje w reakcji miedzi z tlenem. Wskaż równanie reakcji chemicznej przedstawiające tę przemianę.
2 Cu + O2 → Cu2O
4 Cu + O2 → 2 Cu2O
2 Cu + O2→ 2 CuO
Cu + O2 → CuO2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
tlenek miedzi(II) + węgiel --> miedź + tlenek węgla(IV)
2CuO + CO2 --> 2Cu
2CuO+ C --> 2CuO
C + CO2 --> 2Cu + CO2
2CuO + C --> 2Cu + CO2
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
C IV + OII 2 =
Co2
CO2
OC2
CO2
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