Gaisa piesārņojums
Authored by Anna Kačkane
Chemistry
8th - 9th Grade
Used 5+ times
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12 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Kuri apgalvojumi ir patiesi?(iespējamas vairākas pareizās atbildes)
Gaiss ir dažādu gāzu maisījums.
Skābeklis var iegūt vielu degšanas reakcijās.
Slāpeklim ir vislielākā tilpumdaļa gaisā.
Fotosintēzē veidojas glikoze un izdalās un izdalās ogļskābā gāze.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kura no gaisa sastāvdaļām ir nepieciešama vielu degšanas uzturēšanai?
Slāpeklis
Skābeklis
Ogļskābā gāze
Inertās gāzes
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurš no ķīmisko reakciju vienādojumiem apraksta degšanas reakciju?
H2 + Cl2 → 2HCl
2Ca + O2 → 2CaO
2Al + 3S → Al2S3
2HgO → 2Hg + O2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kurai gāzei tilpumdaļa gaisā ir 78%?
sēra (IV) oksīdam
slāpekļa
metānam
neonam
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Kurš no dotajiem rada gaisa piesārņojumu?(iespējamas vairākas pareizās atbildes)
fotosintēze
auto izplūdes gāzes
vulkānu izvirdumi
rūpniecība
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Kuri no dotajiem nepiesārņo gaisu? (iespējamas vairākas pareizās atbildes)
ūdens tvaiks
N2
H2
Pb
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kādi savienojumi vainojami pie ozona slāņa noārdīšanās?
tvana gāze
cēlgāzes
slāpekļa oksīdi
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