Składniki powietrza i rodzaje przemian, jakim ulegają
Quiz
•
Chemistry
•
8th Grade
•
Medium
Katarzyna Werbińska
Used 928+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Ile procent tlenu znajduje się w powietrzu?
78
21
1
28
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
W reakcji rozkładu manganianu (VII) potasu powstaje między innymi:
mangan
tlen
potas
azot
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Do gazów szlachetnych zaliczamy:
hel, neon, argon
hel, tlen, azot
neon, azot
argon, neon, tlen
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
W reakcji kwasu chlorowodorowego z magnezem powstaje:
tlen
mangan
wodór
chlor
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Do czterech probówek z
- azotem
- helem
- tlenem
- tlenkiem węgla (IV)
wprowadzono zapalone łuczywko.
W których probówkach łuczywko zgasło?
1
1,2,3,4
2,3,4
1,2,4
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Wskaż zapis słowny reakcji syntezy.
tlen + wodór ---> woda
tlenek rtęci (II) ---> tlen + rtęć
magnez + woda ---> tlenek magnezu + wodór
kwas solny + cynk ---> chlorek cynku + wodór
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
tlenek węgla (IV) + magnez ---> tlenek magnezu + węgiel
Powyższa reakcja należy do reakcji:
syntezy
analizy
wymiany
łączenia
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