
Süsivesinik
Authored by Kristjan Kristjan
Chemistry
9th Grade

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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on süsivesinikud?
Ühendid, mis koosnevad süsinikust ja hapnikust
Süsinikku ja vesinikku sisaldavad ühendid
Alkaanid, mille üldvalem on
CnH2n
Ainult toidus sisalduvad ühendid, mis sisaldavad kaloreid ja süsinikku ja vesinikku
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mis on maagaasi keemiline nimetus?
Metüleen
Alkaan
Propaan
Metaan
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Milline nendest järgnevatest ühenditest pole süsivesnik?
Bensiin
Küünlarasv
Küünelakieemaldaja
Looduslik gaas
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Mis juhtub süsivesinikuga kui see panna hapnikuga reageerima?
Tekib ja vabaneb hästi palju energiat
Siis ta põleb ära süsihappegaasiks ja veeks kuniks hapnikku jätkub
Hapnikuvaeses keskkonnas võib tekkida mürgine gaas CO
Tekivad süsihapnikvesinik ühendid
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kus kasutatakse alkaane?
Plastikute koostisosa
Söögisaäilitusainetena
Kütusena
Tekstiili värvimisel
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