
Vzduch
Authored by Kristína Reľovská
Chemistry
2nd Grade
Used 3+ times

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32 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Najčastejšie zdroje znečistenia ovzdušia sú:
metán, kyslík, dym
priemysel, poľnohospodárstvo, zelené rastliny
výfukové plyny áut, priemysel, atmosféra
priemysel, výfukové plyny áut, poľnohospodárstvo
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Koľko % kyslíka obsahuje vzduch?
2%
70%
21%
78%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Plynný obal zeme nazývame ?
troposféra
atmosféra
litosféra
hydrosféra
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Vzduch je :
rovnorodá plynná zmes
rôznorodá zmes
rovnorodá kvapalná zmes
rovnorodá tuhá zmes
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Akou oddeľovacou metódou získame zo skvapalneného vzduchu kyslík a dusík?
odparovaním
destiláciou
kondenzáciou
filtráciou
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kyslé dažde spôsobujú? ( 2 správne odpovede)
globálne oteplenie
vysychanie rastlín
poškodenie sôch
problémy s dýchaním
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ktoré plyny majú vplyv na vznik skleníkového efektu
freóny
metán , oxid uhličitý, vodná para
fluór, chlór, vodná para
dusík, síra
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